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6 vulnerabilities by containers
CVE-2026-35406 (GCVE-0-2026-35406)
Vulnerability from cvelistv5 – Published: 2026-04-07 21:32 – Updated: 2026-04-08 16:14
VLAI?
Title
Aardvark-dns has incorrect error handling for malformed tcp packets
Summary
Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1.
Severity ?
6.2 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| containers | aardvark-dns |
Affected:
>= 1.16.0, < 1.17.1
|
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}
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}
],
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"discovery": "UNKNOWN"
},
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CVE-2026-30892 (GCVE-0-2026-30892)
Vulnerability from cvelistv5 – Published: 2026-03-25 23:57 – Updated: 2026-03-26 18:10
VLAI?
Title
Crun incorrectly parses `crun exec` option `-u`, leading to privilege escalation
Summary
crun is an open source OCI Container Runtime fully written in C. In versions 1.19 through 1.26, the `crun exec` option `-u` (`--user`) is incorrectly parsed. The value `1` is interpreted as UID 0 and GID 0 when it should have been UID 1 and GID 0. The process thus runs with higher privileges than expected. Version 1.27 patches the issue.
Severity ?
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| containers | crun |
Affected:
>= 1.19, < 1.27
|
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}
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"discovery": "UNKNOWN"
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"title": "Crun incorrectly parses `crun exec` option `-u`, leading to privilege escalation"
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CVE-2025-24965 (GCVE-0-2025-24965)
Vulnerability from cvelistv5 – Published: 2025-02-19 16:46 – Updated: 2025-02-19 16:56
VLAI?
Title
.krun_config.json symlink attack creates or overwrites file on the host in crun
Summary
crun is an open source OCI Container Runtime fully written in C. In affected versions A malicious container image could trick the krun handler into escaping the root filesystem, allowing file creation or modification on the host. No special permissions are needed, only the ability for the current user to write to the target file. The problem is fixed in crun 1.20 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| containers | crun |
Affected:
< 1.20
|
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}
],
"metrics": [
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"attackVector": "NETWORK",
"baseScore": 8.5,
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"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
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CVE-2024-9341 (GCVE-0-2024-9341)
Vulnerability from cvelistv5 – Published: 2024-10-01 18:52 – Updated: 2026-03-19 17:19
VLAI?
Title
Podman: buildah: cri-o: fips crypto-policy directory mounting issue in containers/common go library
Summary
A flaw was found in Go. When FIPS mode is enabled on a system, container runtimes may incorrectly handle certain file paths due to improper validation in the containers/common Go library. This flaw allows an attacker to exploit symbolic links and trick the system into mounting sensitive host directories inside a container. This issue also allows attackers to access critical host files, bypassing the intended isolation between containers and the host system.
Severity ?
5.4 (Medium)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Affected:
0 , < 0.60.4
(semver)
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Date Public ?
2024-10-01 15:45
Credits
Red Hat would like to thank Paul Holzinger for reporting this issue.
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"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "0:1.27.8-10.rhaos4.14.git807f92c.el9",
"versionType": "rpm"
}
]
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{
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"cpes": [
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"cpe:/a:redhat:openshift:4.15::el9"
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"packageName": "cri-o",
"product": "Red Hat OpenShift Container Platform 4.15",
"vendor": "Red Hat",
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"version": "0:1.28.11-5.rhaos4.15.git35a2431.el8",
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"cpes": [
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"product": "Red Hat OpenShift Container Platform 4.16",
"vendor": "Red Hat",
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CVE-2024-8418 (GCVE-0-2024-8418)
Vulnerability from cvelistv5 – Published: 2024-09-04 14:24 – Updated: 2025-11-20 20:57
VLAI?
Title
Containers/aardvark-dns: tcp query handling flaw in aardvark-dns leading to denial of service
Summary
A flaw was found in Aardvark-dns, which is vulnerable to a Denial of Service attack due to the serial processing of TCP DNS queries. An attacker can exploit this flaw by keeping a TCP connection open indefinitely, causing the server to become unresponsive and resulting in other DNS queries timing out. This issue prevents legitimate users from accessing DNS services, thereby disrupting normal operations and causing service downtime.
Severity ?
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Affected:
1.12.0
(semver)
Affected: 1.12.1 (semver) |
||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||
Date Public ?
2024-09-04 10:00
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CVE-2020-5291 (GCVE-0-2020-5291)
Vulnerability from cvelistv5 – Published: 2020-03-31 18:00 – Updated: 2024-08-04 08:22
VLAI?
Title
Privilege escalation in setuid mode via user namespaces in Bubblewrap
Summary
Bubblewrap (bwrap) before version 0.4.1, if installed in setuid mode and the kernel supports unprivileged user namespaces, then the `bwrap --userns2` option can be used to make the setuid process keep running as root while being traceable. This can in turn be used to gain root permissions. Note that this only affects the combination of bubblewrap in setuid mode (which is typically used when unprivileged user namespaces are not supported) and the support of unprivileged user namespaces. Known to be affected are: * Debian testing/unstable, if unprivileged user namespaces enabled (not default) * Debian buster-backports, if unprivileged user namespaces enabled (not default) * Arch if using `linux-hardened`, if unprivileged user namespaces enabled (not default) * Centos 7 flatpak COPR, if unprivileged user namespaces enabled (not default) This has been fixed in the 0.4.1 release, and all affected users should update.
Severity ?
7.2 (High)
CWE
- CWE-648 - Incorrect Use of Privileged APIs
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| containers | bubblewrap |
Affected:
< 0.4.1
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},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-648: Incorrect Use of Privileged APIs"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/containers/bubblewrap/security/advisories/GHSA-j2qp-rvxj-43vj",
"refsource": "CONFIRM",
"url": "https://github.com/containers/bubblewrap/security/advisories/GHSA-j2qp-rvxj-43vj"
},
{
"name": "https://github.com/containers/bubblewrap/commit/1f7e2ad948c051054b683461885a0215f1806240",
"refsource": "MISC",
"url": "https://github.com/containers/bubblewrap/commit/1f7e2ad948c051054b683461885a0215f1806240"
}
]
},
"source": {
"advisory": "GHSA-j2qp-rvxj-43vj",
"discovery": "UNKNOWN"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2020-5291",
"datePublished": "2020-03-31T18:00:18.000Z",
"dateReserved": "2020-01-02T00:00:00.000Z",
"dateUpdated": "2024-08-04T08:22:09.099Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}