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29 vulnerabilities found for grpc by grpc
VAR-202310-0175
Vulnerability from variot - Updated: 2026-04-10 22:02The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512
Debian Security Advisory DSA-5540-1 security@debian.org https://www.debian.org/security/ Markus Koschany October 30, 2023 https://www.debian.org/security/faq
Package : jetty9 CVE ID : CVE-2023-36478 CVE-2023-44487
Two remotely exploitable security vulnerabilities were discovered in Jetty 9, a Java based web server and servlet engine. The HTTP/2 protocol implementation did not sufficiently verify if HPACK header values exceed their size limit. This problem is also known as Rapid Reset Attack.
For the oldstable distribution (bullseye), these problems have been fixed in version 9.4.50-4+deb11u1.
For the stable distribution (bookworm), these problems have been fixed in version 9.4.50-4+deb12u2.
We recommend that you upgrade your jetty9 packages.
For the detailed security status of jetty9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/jetty9
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE-----
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Description:
Red Hat AMQ Streams, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency. This could result in denial of service.
Description:
nghttp2 contains the Hypertext Transfer Protocol version 2 (HTTP/2) client, server, and proxy programs as well as a library implementing the HTTP/2 protocol in C.
Description:
Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.
Description:
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
New versions of .NET that address a security vulnerability are now available. The updated versions are .NET 6.0 to SDK 6.0.123 and Runtime 6.0.23.
The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7481.json
Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.
- Packet Storm Staff
==================================================================== Red Hat Security Advisory
Synopsis: Important: OpenShift Container Platform 4.11.54 packages and security update Advisory ID: RHSA-2023:7481-01 Product: Red Hat OpenShift Enterprise Advisory URL: https://access.redhat.com/errata/RHSA-2023:7481 Issue date: 2023-11-29 Revision: 01 CVE Names: CVE-2023-44487 ====================================================================
Summary:
Red Hat OpenShift Container Platform release 4.11.54 is now available with updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container Platform 4.11.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description:
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.11.54. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHSA-2023:7479
Security Fix(es):
- HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
All OpenShift Container Platform 4.11 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.html
Solution:
https://docs.openshift.com/container-platform/4.11/release_notes/ocp-4-11-release-notes.html
CVEs:
CVE-2023-44487
References:
https://access.redhat.com/security/updates/classification/#important https://bugzilla.redhat.com/show_bug.cgi?id=2242803
. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202408-10
https://security.gentoo.org/
Severity: Normal Title: nghttp2: Multiple Vulnerabilities Date: August 07, 2024 Bugs: #915554, #928541 ID: 202408-10
Synopsis
Multiple vulnerabilities have been discovered in nghttp2, the worst of which could lead to a denial of service.
Background
Nghttp2 is an implementation of HTTP/2 and its header compression algorithm HPACK in C.
Affected packages
Package Vulnerable Unaffected
net-libs/nghttp2 < 1.61.0 >= 1.61.0
Description
Multiple vulnerabilities have been discovered in nghttp2. Please review the CVE identifiers referenced below for details.
Impact
Please review the referenced CVE identifiers for details.
Workaround
There is no known workaround at this time.
Resolution
All nghttp2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/nghttp2-1.61.0"
References
[ 1 ] CVE-2023-44487 https://nvd.nist.gov/vuln/detail/CVE-2023-44487 [ 2 ] CVE-2024-28182 https://nvd.nist.gov/vuln/detail/CVE-2024-28182
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202408-10
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2024 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
Show details on source website{
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"data": "The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA512\n\n- -------------------------------------------------------------------------\nDebian Security Advisory DSA-5540-1 security@debian.org\nhttps://www.debian.org/security/ Markus Koschany\nOctober 30, 2023 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : jetty9\nCVE ID : CVE-2023-36478 CVE-2023-44487\n\nTwo remotely exploitable security vulnerabilities were discovered in Jetty 9, a\nJava based web server and servlet engine. The HTTP/2 protocol implementation\ndid not sufficiently verify if HPACK header values exceed their size limit. This\nproblem is also known as Rapid Reset Attack. \n\nFor the oldstable distribution (bullseye), these problems have been fixed\nin version 9.4.50-4+deb11u1. \n\nFor the stable distribution (bookworm), these problems have been fixed in\nversion 9.4.50-4+deb12u2. \n\nWe recommend that you upgrade your jetty9 packages. \n\nFor the detailed security status of jetty9 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/jetty9\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n-----BEGIN PGP SIGNATURE-----\n\niQKTBAEBCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAmVABttfFIAAAAAALgAo\naXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD\nRjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7\nUeTJ2g/9E8TKXU1Mko9WhumkvRQNsYxAM43L/gmYMRm4JEqhqpjHHZECJIOAVyxs\nuN0uE13T+JckplIAhfdsZgbmDDNjASyFWv9OfOdf2h4Y9ZhoXP22MXI2MjKb9MSH\nKfmPtX4S95UyF/Ty0kK17W63p4EvtNlcgRokx5yFpUF/rN72GXVx25W6WQ1pSHrJ\nESJMqOr8d3Wn5/4yaPEunQrvPa4WkQSTv8nHAIxIenP3wiNuK2tZWN6GCAdbirQp\nMWt282W/ueGcRDq8UJB2tWkxqx8CNnqeIeh0LpaSZRbaf62DChtyj+5OnYyhwBTk\n1mhwuveCFtNzRQyHRBrOrVWRAG43ktSyEYG90Il9iDchQROi0sJkQFVB0TXG6FnC\nhIFBcPw9VW5+7I+4gxexhpguq/SXZV9V9QH+jSeEBOgdKY/qX0farjElmhgFLRuS\n/weJAqnc9C6w4BB7gnE9ow4nbGqKqMEj1yoO8itMhCWBCaEIia0INpao7pfpf/9r\nKekLFoi6Gux0gqVMhhBw3latxW9zth93tNEeuuGb+kP/TDreBVkZnqrYVbtj49Wv\nIMX77Q8OB/TDQ8K5cEq05wcq59TIkAaVKGrP3sXsjbt4umbkjhbp8Oxv+chMOgPQ\nE8ThC0Q+lbZ4nth0vw2R93ObMfzlxZN2YJUqKf3aw/yAKd8YIys=CO/+\n-----END PGP SIGNATURE-----\n. \n\n\n\n\nDescription:\n\nRed Hat AMQ Streams, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency. This could result\nin denial of service. \n\n\n\n\nDescription:\n\nnghttp2 contains the Hypertext Transfer Protocol version 2 (HTTP/2) client, server, and proxy programs as well as a library implementing the HTTP/2 protocol in C. \n\n\n\n\nDescription:\n\nNode.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. \n\n\n\n\nDescription:\n\n.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. \n\nNew versions of .NET that address a security vulnerability are now available. The updated versions are .NET 6.0 to SDK 6.0.123 and Runtime 6.0.23. \n\nThe following advisory data is extracted from:\n\nhttps://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7481.json\n\nRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat\u0027s archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment. \n\n- Packet Storm Staff\n\n\n\n\n====================================================================\nRed Hat Security Advisory\n\nSynopsis: Important: OpenShift Container Platform 4.11.54 packages and security update\nAdvisory ID: RHSA-2023:7481-01\nProduct: Red Hat OpenShift Enterprise\nAdvisory URL: https://access.redhat.com/errata/RHSA-2023:7481\nIssue date: 2023-11-29\nRevision: 01\nCVE Names: CVE-2023-44487\n====================================================================\n\nSummary: \n\nRed Hat OpenShift Container Platform release 4.11.54 is now available with updates to packages and images that fix several bugs and add enhancements. \n\nThis release includes a security update for Red Hat OpenShift Container Platform 4.11. \n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. \n\n\n\n\nDescription:\n\nRed Hat OpenShift Container Platform is Red Hat\u0027s cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. \n\nThis advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.11.54. See the following advisory for the container images for this release:\n\nhttps://access.redhat.com/errata/RHSA-2023:7479\n\nSecurity Fix(es):\n\n* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS\nattack (Rapid Reset Attack) (CVE-2023-44487)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. \n\nAll OpenShift Container Platform 4.11 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.html\n\n\nSolution:\n\nhttps://docs.openshift.com/container-platform/4.11/release_notes/ocp-4-11-release-notes.html\n\n\n\nCVEs:\n\nCVE-2023-44487\n\nReferences:\n\nhttps://access.redhat.com/security/updates/classification/#important\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2242803\n\n. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory GLSA 202408-10\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n https://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n Title: nghttp2: Multiple Vulnerabilities\n Date: August 07, 2024\n Bugs: #915554, #928541\n ID: 202408-10\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been discovered in nghttp2, the worst of\nwhich could lead to a denial of service. \n\nBackground\n==========\n\nNghttp2 is an implementation of HTTP/2 and its header compression\nalgorithm HPACK in C. \n\nAffected packages\n=================\n\nPackage Vulnerable Unaffected\n---------------- ------------ ------------\nnet-libs/nghttp2 \u003c 1.61.0 \u003e= 1.61.0\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in nghttp2. Please review\nthe CVE identifiers referenced below for details. \n\nImpact\n======\n\nPlease review the referenced CVE identifiers for details. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll nghttp2 users should upgrade to the latest version:\n\n # emerge --sync\n # emerge --ask --oneshot --verbose \"\u003e=net-libs/nghttp2-1.61.0\"\n\nReferences\n==========\n\n[ 1 ] CVE-2023-44487\n https://nvd.nist.gov/vuln/detail/CVE-2023-44487\n[ 2 ] CVE-2024-28182\n https://nvd.nist.gov/vuln/detail/CVE-2024-28182\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n https://security.gentoo.org/glsa/202408-10\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2024 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttps://creativecommons.org/licenses/by-sa/2.5\n",
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CVE-2026-33186 (GCVE-0-2026-33186)
Vulnerability from nvd – Published: 2026-03-20 22:23 – Updated: 2026-03-24 18:09
VLAI?
Title
gRPC-Go has an authorization bypass via missing leading slash in :path
Summary
gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization bypass resulting from improper input validation of the HTTP/2 `:path` pseudo-header. The gRPC-Go server was too lenient in its routing logic, accepting requests where the `:path` omitted the mandatory leading slash (e.g., `Service/Method` instead of `/Service/Method`). While the server successfully routed these requests to the correct handler, authorization interceptors (including the official `grpc/authz` package) evaluated the raw, non-canonical path string. Consequently, "deny" rules defined using canonical paths (starting with `/`) failed to match the incoming request, allowing it to bypass the policy if a fallback "allow" rule was present. This affects gRPC-Go servers that use path-based authorization interceptors, such as the official RBAC implementation in `google.golang.org/grpc/authz` or custom interceptors relying on `info.FullMethod` or `grpc.Method(ctx)`; AND that have a security policy contains specific "deny" rules for canonical paths but allows other requests by default (a fallback "allow" rule). The vulnerability is exploitable by an attacker who can send raw HTTP/2 frames with malformed `:path` headers directly to the gRPC server. The fix in version 1.79.3 ensures that any request with a `:path` that does not start with a leading slash is immediately rejected with a `codes.Unimplemented` error, preventing it from reaching authorization interceptors or handlers with a non-canonical path string. While upgrading is the most secure and recommended path, users can mitigate the vulnerability using one of the following methods: Use a validating interceptor (recommended mitigation); infrastructure-level normalization; and/or policy hardening.
Severity ?
9.1 (Critical)
CWE
- CWE-285 - Improper Authorization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2024-11407 (GCVE-0-2024-11407)
Vulnerability from nvd – Published: 2024-11-26 16:59 – Updated: 2024-11-26 21:04
VLAI?
Title
Denial of Service through Data corruption in gRPC-C++
Summary
There exists a denial of service through Data corruption in gRPC-C++ - gRPC-C++ servers with transmit zero copy enabled through the channel arg GRPC_ARG_TCP_TX_ZEROCOPY_ENABLED can experience data corruption issues. The data sent by the application may be corrupted before transmission over the network thus leading the receiver to receive an incorrect set of bytes causing RPC requests to fail. We recommend upgrading past commit e9046b2bbebc0cb7f5dc42008f807f6c7e98e791
Severity ?
CWE
- CWE-682 - Incorrect Calculation
Assigner
References
Date Public ?
2024-09-11 22:00
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CVE-2024-7246 (GCVE-0-2024-7246)
Vulnerability from nvd – Published: 2024-08-06 10:14 – Updated: 2024-08-06 13:17
VLAI?
Title
HPACK table poisoning in gRPC C++, Python & Ruby
Summary
It's possible for a gRPC client communicating with a HTTP/2 proxy to poison the HPACK table between the proxy and the backend such that other clients see failed requests. It's also possible to use this vulnerability to leak other clients HTTP header keys, but not values.
This occurs because the error status for a misencoded header is not cleared between header reads, resulting in subsequent (incrementally indexed) added headers in the first request being poisoned until cleared from the HPACK table.
Please update to a fixed version of gRPC as soon as possible. This bug has been fixed in 1.58.3, 1.59.5, 1.60.2, 1.61.3, 1.62.3, 1.63.2, 1.64.3, 1.65.4.
Severity ?
CWE
- CWE-440 - Expected Behavior Violation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| gRPC |
Affected:
1.53.0
(custom)
Affected: 1.53.1 (custom) Affected: 1.53.2 (custom) Affected: 1.54.0 (custom) Affected: 1.54.1 (custom) Affected: 1.54.3 (custom) Affected: 1.55.0 (custom) Affected: 1.55.1 (custom) Affected: 1.55.3 (custom) Affected: 1.55.4 (custom) Affected: 1.56.0 (custom) Affected: 1.56.1 (custom) Affected: 1.56.2 (custom) Affected: 1.56.3 (custom) Affected: 1.56.4 (custom) Affected: 1.57.0 (custom) Affected: 1.57.1 (custom) Affected: 1.58.0 (custom) Affected: 1.58.1 (custom) Affected: 1.58.2 (custom) Affected: 1.59.0 (custom) Affected: 1.59.1 (custom) Affected: 1.59.2 (custom) Affected: 1.59.3 (custom) Affected: 1.59.4 (custom) Affected: 1.60.0 (custom) Affected: 1.60.1 (custom) Affected: 1.61.0 (custom) Affected: 1.61.1 (custom) Affected: 1.62.0 (custom) Affected: 1.61.2 (custom) Affected: 1.62.1 (custom) Affected: 1.62.2 (custom) Affected: 1.63.0 (custom) Affected: 1.63.1 (custom) Affected: 1.64.0 (custom) Affected: 1.64.1 (custom) Affected: 1.64.2 (custom) Affected: 1.65.0 (custom) Affected: 1.65.1 (custom) Affected: 1.65.2 (custom) Affected: 1.65.3 (custom) |
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CVE-2023-44487 (GCVE-0-2023-44487)
Vulnerability from nvd – Published: 2023-10-10 00:00 – Updated: 2025-11-04 21:08
VLAI?
Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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CVE-2023-4785 (GCVE-0-2023-4785)
Vulnerability from nvd – Published: 2023-09-13 16:31 – Updated: 2026-01-12 15:34
VLAI?
Title
Denial of Service in gRPC Core
Summary
Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.
Severity ?
7.5 (High)
CWE
Assigner
References
Impacted products
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CVE-2023-33953 (GCVE-0-2023-33953)
Vulnerability from nvd – Published: 2023-08-09 12:54 – Updated: 2024-09-27 18:40
VLAI?
Title
Denial-of-Service in gRPC
Summary
gRPC contains a vulnerability that allows hpack table accounting errors could lead to unwanted disconnects between clients and servers in exceptional cases/ Three vectors were found that allow the following DOS attacks:
- Unbounded memory buffering in the HPACK parser
- Unbounded CPU consumption in the HPACK parser
The unbounded CPU consumption is down to a copy that occurred per-input-block in the parser, and because that could be unbounded due to the memory copy bug we end up with an O(n^2) parsing loop, with n selected by the client.
The unbounded memory buffering bugs:
- The header size limit check was behind the string reading code, so we needed to first buffer up to a 4 gigabyte string before rejecting it as longer than 8 or 16kb.
- HPACK varints have an encoding quirk whereby an infinite number of 0’s can be added at the start of an integer. gRPC’s hpack parser needed to read all of them before concluding a parse.
- gRPC’s metadata overflow check was performed per frame, so that the following sequence of frames could cause infinite buffering: HEADERS: containing a: 1 CONTINUATION: containing a: 2 CONTINUATION: containing a: 3 etc…
Severity ?
7.5 (High)
Assigner
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CVE-2023-32732 (GCVE-0-2023-32732)
Vulnerability from nvd – Published: 2023-06-09 10:48 – Updated: 2025-02-13 16:55
VLAI?
Title
Denial-of-Service in gRPC
Summary
gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in https://github.com/grpc/grpc/pull/32309 https://www.google.com/url
Severity ?
5.3 (Medium)
CWE
- CWE-440 - Expected Behavior Violation
Assigner
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CVE-2023-32731 (GCVE-0-2023-32731)
Vulnerability from nvd – Published: 2023-06-09 10:54 – Updated: 2024-09-26 19:12
VLAI?
Title
Information leak in gRPC
Summary
When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in https://github.com/grpc/grpc/pull/33005 https://github.com/grpc/grpc/pull/33005
Severity ?
7.4 (High)
CWE
- CWE-440 - Expected Behavior Violation
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CVE-2023-1428 (GCVE-0-2023-1428)
Vulnerability from nvd – Published: 2023-06-09 10:46 – Updated: 2024-09-26 18:58
VLAI?
Title
Denial-of-Service in gRPC
Summary
There exists an vulnerability causing an abort() to be called in gRPC.
The following headers cause gRPC's C++ implementation to abort() when called via http2:
te: x (x != trailers)
:scheme: x (x != http, https)
grpclb_client_stats: x (x == anything)
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Severity ?
7.5 (High)
CWE
- CWE-617 - Reachable Assertion
Assigner
References
Date Public ?
2023-02-28 23:00
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CVE-2020-7768 (GCVE-0-2020-7768)
Vulnerability from nvd – Published: 2020-11-11 10:20 – Updated: 2024-09-17 00:01
VLAI?
Title
Prototype Pollution
Summary
The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.
Severity ?
CWE
- Prototype Pollution
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | grpc |
Affected:
unspecified , < 1.24.4
(custom)
|
|||||||
|
|||||||||
Date Public ?
2020-11-11 00:00
Credits
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CVE-2017-9431 (GCVE-0-2017-9431)
Vulnerability from nvd – Published: 2017-06-05 02:47 – Updated: 2024-08-05 17:02
VLAI?
Summary
Google gRPC before 2017-04-05 has an out-of-bounds write caused by a heap-based buffer overflow related to core/lib/iomgr/error.c.
Severity ?
No CVSS data available.
CWE
- n/a
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References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Date Public ?
2017-06-04 00:00
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CVE-2017-8359 (GCVE-0-2017-8359)
Vulnerability from nvd – Published: 2017-04-30 17:00 – Updated: 2024-08-05 16:34
VLAI?
Summary
Google gRPC before 2017-03-29 has an out-of-bounds write caused by a heap-based use-after-free related to the grpc_call_destroy function in core/lib/surface/call.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Date Public ?
2017-04-30 00:00
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CVE-2017-7861 (GCVE-0-2017-7861)
Vulnerability from nvd – Published: 2017-04-14 04:30 – Updated: 2024-08-05 16:19
VLAI?
Summary
Google gRPC before 2017-02-22 has an out-of-bounds write related to the gpr_free function in core/lib/support/alloc.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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2017-04-14 00:00
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CVE-2017-7860 (GCVE-0-2017-7860)
Vulnerability from nvd – Published: 2017-04-14 04:30 – Updated: 2024-08-05 16:19
VLAI?
Summary
Google gRPC before 2017-02-22 has an out-of-bounds write caused by a heap-based buffer overflow related to the parse_unix function in core/ext/client_channel/parse_address.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Date Public ?
2017-04-14 00:00
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CVE-2026-33186 (GCVE-0-2026-33186)
Vulnerability from cvelistv5 – Published: 2026-03-20 22:23 – Updated: 2026-03-24 18:09
VLAI?
Title
gRPC-Go has an authorization bypass via missing leading slash in :path
Summary
gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization bypass resulting from improper input validation of the HTTP/2 `:path` pseudo-header. The gRPC-Go server was too lenient in its routing logic, accepting requests where the `:path` omitted the mandatory leading slash (e.g., `Service/Method` instead of `/Service/Method`). While the server successfully routed these requests to the correct handler, authorization interceptors (including the official `grpc/authz` package) evaluated the raw, non-canonical path string. Consequently, "deny" rules defined using canonical paths (starting with `/`) failed to match the incoming request, allowing it to bypass the policy if a fallback "allow" rule was present. This affects gRPC-Go servers that use path-based authorization interceptors, such as the official RBAC implementation in `google.golang.org/grpc/authz` or custom interceptors relying on `info.FullMethod` or `grpc.Method(ctx)`; AND that have a security policy contains specific "deny" rules for canonical paths but allows other requests by default (a fallback "allow" rule). The vulnerability is exploitable by an attacker who can send raw HTTP/2 frames with malformed `:path` headers directly to the gRPC server. The fix in version 1.79.3 ensures that any request with a `:path` that does not start with a leading slash is immediately rejected with a `codes.Unimplemented` error, preventing it from reaching authorization interceptors or handlers with a non-canonical path string. While upgrading is the most secure and recommended path, users can mitigate the vulnerability using one of the following methods: Use a validating interceptor (recommended mitigation); infrastructure-level normalization; and/or policy hardening.
Severity ?
9.1 (Critical)
CWE
- CWE-285 - Improper Authorization
Assigner
References
| URL | Tags | ||||
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CVE-2024-11407 (GCVE-0-2024-11407)
Vulnerability from cvelistv5 – Published: 2024-11-26 16:59 – Updated: 2024-11-26 21:04
VLAI?
Title
Denial of Service through Data corruption in gRPC-C++
Summary
There exists a denial of service through Data corruption in gRPC-C++ - gRPC-C++ servers with transmit zero copy enabled through the channel arg GRPC_ARG_TCP_TX_ZEROCOPY_ENABLED can experience data corruption issues. The data sent by the application may be corrupted before transmission over the network thus leading the receiver to receive an incorrect set of bytes causing RPC requests to fail. We recommend upgrading past commit e9046b2bbebc0cb7f5dc42008f807f6c7e98e791
Severity ?
CWE
- CWE-682 - Incorrect Calculation
Assigner
References
Date Public ?
2024-09-11 22:00
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CVE-2024-7246 (GCVE-0-2024-7246)
Vulnerability from cvelistv5 – Published: 2024-08-06 10:14 – Updated: 2024-08-06 13:17
VLAI?
Title
HPACK table poisoning in gRPC C++, Python & Ruby
Summary
It's possible for a gRPC client communicating with a HTTP/2 proxy to poison the HPACK table between the proxy and the backend such that other clients see failed requests. It's also possible to use this vulnerability to leak other clients HTTP header keys, but not values.
This occurs because the error status for a misencoded header is not cleared between header reads, resulting in subsequent (incrementally indexed) added headers in the first request being poisoned until cleared from the HPACK table.
Please update to a fixed version of gRPC as soon as possible. This bug has been fixed in 1.58.3, 1.59.5, 1.60.2, 1.61.3, 1.62.3, 1.63.2, 1.64.3, 1.65.4.
Severity ?
CWE
- CWE-440 - Expected Behavior Violation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| gRPC |
Affected:
1.53.0
(custom)
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CVE-2023-44487 (GCVE-0-2023-44487)
Vulnerability from cvelistv5 – Published: 2023-10-10 00:00 – Updated: 2025-11-04 21:08
VLAI?
Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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CVE-2023-4785 (GCVE-0-2023-4785)
Vulnerability from cvelistv5 – Published: 2023-09-13 16:31 – Updated: 2026-01-12 15:34
VLAI?
Title
Denial of Service in gRPC Core
Summary
Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.
Severity ?
7.5 (High)
CWE
Assigner
References
Impacted products
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CVE-2023-33953 (GCVE-0-2023-33953)
Vulnerability from cvelistv5 – Published: 2023-08-09 12:54 – Updated: 2024-09-27 18:40
VLAI?
Title
Denial-of-Service in gRPC
Summary
gRPC contains a vulnerability that allows hpack table accounting errors could lead to unwanted disconnects between clients and servers in exceptional cases/ Three vectors were found that allow the following DOS attacks:
- Unbounded memory buffering in the HPACK parser
- Unbounded CPU consumption in the HPACK parser
The unbounded CPU consumption is down to a copy that occurred per-input-block in the parser, and because that could be unbounded due to the memory copy bug we end up with an O(n^2) parsing loop, with n selected by the client.
The unbounded memory buffering bugs:
- The header size limit check was behind the string reading code, so we needed to first buffer up to a 4 gigabyte string before rejecting it as longer than 8 or 16kb.
- HPACK varints have an encoding quirk whereby an infinite number of 0’s can be added at the start of an integer. gRPC’s hpack parser needed to read all of them before concluding a parse.
- gRPC’s metadata overflow check was performed per frame, so that the following sequence of frames could cause infinite buffering: HEADERS: containing a: 1 CONTINUATION: containing a: 2 CONTINUATION: containing a: 3 etc…
Severity ?
7.5 (High)
Assigner
References
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CVE-2023-32731 (GCVE-0-2023-32731)
Vulnerability from cvelistv5 – Published: 2023-06-09 10:54 – Updated: 2024-09-26 19:12
VLAI?
Title
Information leak in gRPC
Summary
When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of HPACK tables between sender and receiver. If leveraged, say, between a proxy and a backend, this could lead to requests from the proxy being interpreted as containing headers from different proxy clients - leading to an information leak that can be used for privilege escalation or data exfiltration. We recommend upgrading beyond the commit contained in https://github.com/grpc/grpc/pull/33005 https://github.com/grpc/grpc/pull/33005
Severity ?
7.4 (High)
CWE
- CWE-440 - Expected Behavior Violation
Assigner
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CVE-2023-32732 (GCVE-0-2023-32732)
Vulnerability from cvelistv5 – Published: 2023-06-09 10:48 – Updated: 2025-02-13 16:55
VLAI?
Title
Denial-of-Service in gRPC
Summary
gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in https://github.com/grpc/grpc/pull/32309 https://www.google.com/url
Severity ?
5.3 (Medium)
CWE
- CWE-440 - Expected Behavior Violation
Assigner
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CVE-2023-1428 (GCVE-0-2023-1428)
Vulnerability from cvelistv5 – Published: 2023-06-09 10:46 – Updated: 2024-09-26 18:58
VLAI?
Title
Denial-of-Service in gRPC
Summary
There exists an vulnerability causing an abort() to be called in gRPC.
The following headers cause gRPC's C++ implementation to abort() when called via http2:
te: x (x != trailers)
:scheme: x (x != http, https)
grpclb_client_stats: x (x == anything)
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Severity ?
7.5 (High)
CWE
- CWE-617 - Reachable Assertion
Assigner
References
Date Public ?
2023-02-28 23:00
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CVE-2020-7768 (GCVE-0-2020-7768)
Vulnerability from cvelistv5 – Published: 2020-11-11 10:20 – Updated: 2024-09-17 00:01
VLAI?
Title
Prototype Pollution
Summary
The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.
Severity ?
CWE
- Prototype Pollution
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | grpc |
Affected:
unspecified , < 1.24.4
(custom)
|
|||||||
|
|||||||||
Date Public ?
2020-11-11 00:00
Credits
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CVE-2017-9431 (GCVE-0-2017-9431)
Vulnerability from cvelistv5 – Published: 2017-06-05 02:47 – Updated: 2024-08-05 17:02
VLAI?
Summary
Google gRPC before 2017-04-05 has an out-of-bounds write caused by a heap-based buffer overflow related to core/lib/iomgr/error.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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Date Public ?
2017-06-04 00:00
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CVE-2017-8359 (GCVE-0-2017-8359)
Vulnerability from cvelistv5 – Published: 2017-04-30 17:00 – Updated: 2024-08-05 16:34
VLAI?
Summary
Google gRPC before 2017-03-29 has an out-of-bounds write caused by a heap-based use-after-free related to the grpc_call_destroy function in core/lib/surface/call.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Date Public ?
2017-04-30 00:00
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CVE-2017-7861 (GCVE-0-2017-7861)
Vulnerability from cvelistv5 – Published: 2017-04-14 04:30 – Updated: 2024-08-05 16:19
VLAI?
Summary
Google gRPC before 2017-02-22 has an out-of-bounds write related to the gpr_free function in core/lib/support/alloc.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Date Public ?
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CVE-2017-7860 (GCVE-0-2017-7860)
Vulnerability from cvelistv5 – Published: 2017-04-14 04:30 – Updated: 2024-08-05 16:19
VLAI?
Summary
Google gRPC before 2017-02-22 has an out-of-bounds write caused by a heap-based buffer overflow related to the parse_unix function in core/ext/client_channel/parse_address.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Date Public ?
2017-04-14 00:00
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