Common Weakness Enumeration
CWE-835
AllowedLoop with Unreachable Exit Condition ('Infinite Loop')
Abstraction: Base · Status: Incomplete
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
1289 vulnerabilities reference this CWE, most recent first.
CVE-2026-106121 (GCVE-0-2026-106121)
Vulnerability from cvelistv5 – Published: 2026-10-06 18:08 – Updated: 2026-10-06 18:32
VLAI
EPSS
VEX
Title
RabbitMQ: JSONReader in the default JSON-RPC mapper never terminates on truncated input, causing DoS
Summary
The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.37.0, com.rabbitmq.tools.json.JSONReader.read() fails to terminate when input ends inside a quoted string or a line comment because its string and whitespace scanners do not stop at CharacterIterator.DONE. The default DefaultJsonRpcMapper passes JSON-RPC message bodies to this parser for JsonRpcServer and client replies. A truncated string causes the parser to append replacement end markers until heap exhaustion, while a line comment without a terminating newline can keep a thread consuming CPU indefinitely, resulting in denial of service. This issue is fixed in version 5.37.0.
Severity
4.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 18:32 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_CONFIRM |
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_MISC |
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_MISC |
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| rabbitmq | rabbitmq-java-client |
Affected:
< 5.36.1
|
|
| com.rabbitmq | amqp-client |
Affected:
< 5.36.1
|
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CVE-2026-106116 (GCVE-0-2026-106116)
Vulnerability from cvelistv5 – Published: 2026-10-06 17:51 – Updated: 2026-10-06 18:21
VLAI
EPSS
VEX
Title
ImageSharp: BigTIFF IFD count can keep a decoder thread in a non-progressing loop
Summary
ImageSharp is a 2D graphics library. From 2.0.0 until 4.1.2, ExifReader.ReadValues64 trusts the 64-bit BigTIFF IFD entry count and iterates once per declared entry. When fewer than 20 bytes remain, ExifReader.ReadValue64 returns without advancing the stream or terminating the outer loop, so a small malformed BigTIFF can keep one decoder thread executing for an attacker-controlled duration. This report does not claim worker-pool exhaustion. This issue is fixed in version 4.1.2.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 18:21 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/SixLabors/ImageSharp/security/… | x_refsource_CONFIRM |
| https://github.com/SixLabors/ImageSharp/pull/3187 | x_refsource_MISC |
| https://github.com/SixLabors/ImageSharp/commit/92… | x_refsource_MISC |
| https://github.com/SixLabors/ImageSharp/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SixLabors | ImageSharp |
Affected:
>= 2.0.0, < 4.1.2
|
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CVE-2026-105273 (GCVE-0-2026-105273)
Vulnerability from cvelistv5 – Published: 2026-10-16 14:21 – Updated: 2026-10-16 15:20
VLAI
EPSS
VEX
Title
J4Care dcm4che Loop with Unreachable Exit Condition
Summary
MP4Parser does not adequately validate MP4 box sizes. A malformed box can cause parsing to make no forward progress and repeatedly process the same input.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:06 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| J4Care | dcm4chee-arc-light |
Affected:
5.35.1
Unaffected: 5.35.2 |
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CVE-2026-104633 (GCVE-0-2026-104633)
Vulnerability from cvelistv5 – Published: 2026-10-06 21:35 – Updated: 2026-10-07 15:53
VLAI
EPSS
VEX
Title
Gitea migration memory exhaustion from zero page size
Summary
When migrating a repository from another Gitea instance, Gitea used the page size reported in the source server's API settings to end its paginated downloads. A source that reported `max_response_items` as `0` made these loops run indefinitely and grow server memory until it was exhausted. Any user who can migrate repositories could point a migration at a server they control and cause a denial of service.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 15:51 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/go-gitea/gitea/security/adviso… | vendor-advisory |
| https://github.com/go-gitea/gitea/pull/39501 | patch |
| https://github.com/go-gitea/gitea/pull/39507 | patch |
| https://blog.gitea.com/release-of-28.1.0/ | release-notes |
| https://github.com/go-gitea/gitea/releases/tag/v28.1.0 | release-notes |
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CVE-2026-104266 (GCVE-0-2026-104266)
Vulnerability from cvelistv5 – Published: 2026-10-15 17:13 – Updated: 2026-10-15 17:13
VLAI
EPSS
VEX
Title
tinytag: Infinite loop when parsing certain M4A files containing invalid atoms
Summary
tinytag is a Python library for reading audio file metadata. From 2.0.0 until 2.3.0, an M4A file containing a sub-atom with a size of zero inside a ---- atom can cause the metadata parser to stop advancing through the input. The custom-field atom traversal repeatedly processes the malformed location, causing an infinite loop and denying service to a program that reads the crafted file. This issue is fixed in version 2.3.0.
Severity
6.5 (Medium)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/tinytag/tinytag/security/advis… | x_refsource_CONFIRM |
| https://github.com/tinytag/tinytag/pull/326 | x_refsource_MISC |
| https://github.com/tinytag/tinytag/commit/9ada221… | x_refsource_MISC |
| https://github.com/tinytag/tinytag/releases/tag/2.3.0 | x_refsource_MISC |
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CVE-2026-102726 (GCVE-0-2026-102726)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:51 – Updated: 2026-09-29 18:31
VLAI
EPSS
VEX
Summary
Unbounded PPP IPCP Option Parsing Causes a Worker Stall and Out-of-bounds Read
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:31 UTC
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | NetX Duo |
Affected:
0 , ≤ 6.5.1.202602
(semver)
|
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CVE-2026-102714 (GCVE-0-2026-102714)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:41 – Updated: 2026-09-29 18:43
VLAI
EPSS
VEX
Summary
`_nx_icmpv6_validate_options()` scans the option area with `while (length > 2)` (`common/src/nx_icmpv6_validate_options.c:79`). An area whose size leaves a one- or two-byte residue exits the loop with that tail unexamined; the residue is not negative, so the function returns `NX_SUCCESS`. Its zero-length rejection never sees those bytes.
Every consumer then re-walks the same area, reading a two-byte option header at the residue and subtracting `nx_icmpv6_option_length << 3` with no zero check and no remaining-length check. Three outcomes follow, selected by bytes the attacker controls.
**Zero length byte.** The walker subtracts zero and advances zero. All four handlers loop forever — `_nx_icmpv6_process_ra` (`nx_icmpv6_process_ra.c:245, :528`), `_nx_icmpv6_process_ns` (`:251, :329`), `_nx_icmpv6_process_na` (`:147, :156`) and `_nx_icmpv6_process_redirect` (`:247, :350`). The walk runs in the IP thread, which is the highest-priority thread and does not yield inside the loop, so the system stops until a watchdog reset and the frame can be replayed after each one.
**Non-zero length byte on a short residue.** The three unsigned counters underflow — `2 - 8` becomes `0xFFFFFFFA` — and the walk continues past the packet buffer, reading until it faults or meets a zero length byte and freezes. The Router Advertisement counter is signed and exits cleanly in this case.
**One-byte residue.** The walker reads a two-byte option header, over-reading one byte.
During a runaway walk, stray bytes parsing as a link-layer address option are copied into the neighbor cache (`nx_icmpv6_process_ns.c:280, :293`) and subsequently used as the destination MAC for frames to that neighbour, placing off-packet memory on the link. Confirmed by inspection, not reproduced.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:42 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | NetX Duo |
Affected:
0 , ≤ 6.5.1.202602
(semver)
|
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CVE-2026-102511 (GCVE-0-2026-102511)
Vulnerability from cvelistv5 – Published: 2026-09-30 08:03 – Updated: 2026-09-30 16:43
VLAI
EPSS
VEX
Title
Apache PLC4X, Apache PLC4X, Apache PLC4X, Apache PLC4X: ADS discovery accepts spoofed responses and derives the connection target from them
Summary
Improper Verification of Source of a Communication Channel in the ADS discovery of the Go implementation of Apache PLC4X (PLC4Go) allows an attacker able to send UDP datagrams to the discovering host to redirect subsequent connections to an arbitrary, attacker-chosen address. The discovery result's connection
address was derived from the AmsNetId claimed in the response body rather than from the datagram's actual source address. One spoofed discovery response can therefore insert an inventory entry pointing at any host, including hosts outside the local network, and an application that connects to discovered devices
will open its ADS session, including any configured route credentials, to that host.
Additionally, discovery listeners in both implementations can be disabled by a single malformed datagram:
- In PLC4Go ADS discovery, a short version block causes a panic that ends the listener for the rest of the discovery call, so legitimate devices answering afterwards are not reported.
- In PLC4J, the ADS and EtherNet/IP discoverers stop on an unhandled exception from a malformed response.
- The PLC4J Modbus discoverer can be made to spin indefinitely, consuming a CPU core, by a scanned host that sends a partial response.
Exploitation requires the application to invoke the discovery API, which is opt-in, and for the connection redirect, to act on the discovered items.
This issue affects Apache PLC4X: PLC4Go from 0.11.0 before 1.0.0; PLC4J ADS and Modbus drivers from 0.10.0 before 1.0.0; PLC4J EtherNet/IP driver from 0.11.0 before 1.0.0. PLC4Go is consumed as the Go module github.com/apache/plc4x/plc4go; versions refer to the corresponding Apache PLC4X releases.
Users are recommended to upgrade to version 1.0.0, which fixes the issue. Version 1.0.0 derives the connection address from the datagram's source address and logs a warning when the claimed AmsNetId disagrees with it.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 16:43 UTC
CWE
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache PLC4X |
Affected:
0.11.0 , < 1.0.0
(semver)
Unaffected: 1.0.0 (semver) |
|
| Apache Software Foundation | Apache PLC4X |
Affected:
0.10.0 , < 1.0.0
(semver)
Unaffected: 1.0.0 (semver) |
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CVE-2026-102253 (GCVE-0-2026-102253)
Vulnerability from cvelistv5 – Published: 2026-09-29 20:11 – Updated: 2026-10-01 15:19 X_Open Source
VLAI
EPSS
VEX
Title
iperf3 < 3.22 UDP Receive Worker Infinite Loop DoS
Summary
iperf3 versions prior to 3.22 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash-loop the server's UDP receive worker into an unrecoverable infinite loop by sending a single crafted control-channel parameter message followed by one 16-byte UDP datagram. Attackers can permanently pin the affected per-stream receive thread at approximately 100% CPU usage, rendering the server unusable until forcibly killed with SIGKILL, as the process does not respond to normal control-channel closure.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:25 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/esnet/iperf/releases/tag/3.22 | vendor-advisorypatch |
| https://github.com/esnet/iperf/blob/master/RELNOTES.md | release-notes |
| https://www.vulncheck.com/advisories/iperf3-udp-r… | third-party-advisory |
Impacted products
Date Public
2026-09-29 00:00
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CVE-2026-102185 (GCVE-0-2026-102185)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:58 – Updated: 2026-10-14 19:05
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: An attacker causes an rpd denial of service when EVPN multihoming preference-based DF election is used
Summary
A Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote network attacker to cause a denial of service via EVPN multihoming with preference-based designated-forwarder election.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 17:31 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112187 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
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|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 23.2R2-S7.7-EVO
(custom)
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Date Public
2026-10-14 16:00
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"url": "https://supportportal.juniper.net/JSA112187"
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"defect": [
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"discovery": "INTERNAL"
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"title": "Junos OS and Junos OS Evolved: An attacker causes an rpd denial of service when EVPN multihoming preference-based DF election is used",
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"dateReserved": "2026-09-28T18:17:13.470Z",
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.