Important: containerd

Issue Overview: An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state a...

CVE-2026-39821 affecting package moby-containerd-cc for versions less than 1.7.7-13

CVE-2026-39821 affecting package moby-containerd-cc for versions less than 1.7.7-13. A patched version of the package is available...

Containerd 1.7.27 < 1.7.32 / 2.0.4 < 2.0.9 / 2.1.x < 2.2.4 / 2.3.x < 2.3.1 runAsNonRoot Bypass

The version of Containerd on the remote host is 1.7.27 prior to 1.7.32, 2.0.4 prior to 2.0.9, 2.1.x prior to 2.2.4, or 2.3.x prior to 2.3.1. It is, therefore, affected by a security bypass vulnerability. A bug was found in containerd where containers launched with a numeric User directive that...

Amazon Linux 2 : containerd, --advisory ALAS2ECS-2026-116 (ALASECS-2026-116)

The version of containerd installed on the remote host is prior to 2.1.7-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2026-116 advisory. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory an...

Amazon Linux 2 : containerd, --advisory ALAS2DOCKER-2026-120 (ALASDOCKER-2026-120)

The version of containerd installed on the remote host is prior to 2.1.7-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DOCKER-2026-120 advisory. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory...

Amazon Linux 2 : containerd, --advisory ALAS2NITRO-ENCLAVES-2026-105 (ALASNITRO-ENCLAVES-2026-105)

The version of containerd installed on the remote host is prior to 2.1.7-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2NITRO-ENCLAVES-2026-105 advisory. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of ...

Important: containerd

Issue Overview: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

Critical Photon OS Security Update - PHSA-2026-5.0-90-0855

Updates of 'libvirt', 'glib', 'rubygem-addressable', 'containerd', 'python3-idna', 'glibc', 'docker', 'go', 'gtk3', 'libxml2' packages of Photon OS have been released...

GHSA-FQW6-GF59-QR4W containerd user ID handling bypass allows runAsNonRoot evasion

Impact A bug was found in containerd where containers launched with a numeric User directive that cannot be parsed as a 32-bit integer are incorrectly treated as a username. If a crafted image provides an /etc/passwd file mapping this large numeric string to root, the container ultimately runs as...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' via improper handling of numeric User directives in container configuration. An attacker can gain elevated privileges by supplying a crafted image with an /etc/passwd file that...

containerd user ID handling bypass allows runAsNonRoot evasion

Impact A bug was found in containerd where containers launched with a numeric User directive that cannot be parsed as a 32-bit integer are incorrectly treated as a username. If a crafted image provides an /etc/passwd file mapping this large numeric string to root, the container ultimately runs as...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' via improper handling of numeric User directives in container configuration. An attacker can gain elevated privileges by supplying a crafted image with an /etc/passwd file that...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' via improper handling of numeric User directives in container configuration. An attacker can gain elevated privileges by supplying a crafted image with an /etc/passwd file that...

SUSE CVE-2020-15157

In containerd an industry-standard container runtime before version 1.2.14 there is a credential leaking vulnerability. If a container image manifest in the OCI Image format or Docker Image V2 Schema 2 format includes a URL for the location of a specific image layer otherwise known as a “foreign...

PT-2026-42700

Name of the Vulnerable Software and Affected Versions containerd versions prior to 2.3.1 containerd versions prior to 2.2.4 containerd versions prior to 2.0.9 containerd versions prior to 1.7.32 Description An input validation error exists where containers launched with a numeric User directive...

Astra Linux – Vulnerability in Containerd

Containerd is an open-source container runtime. A bug was discovered in Containerd’s CRI implementation, where a user could exhaust memory on the host. In the CRI stream server, a goroutine is launched to handle terminal resize events if a TTY is requested. If the user’s process fails to launch d...

Astra Linux – Vulnerability in Containerd

Containerd is an open-source container runtime. A bug was discovered in Containerd prior to versions 1.6.18 and 1.5.18, where supplementary groups were not set up properly within a container. If an attacker has direct access to a container and manipulates the supplementary group permissions, they...

Astra Linux – Vulnerability in Containerd

In containerd a industry-standard container runtime, before versions 1.3.10 and 1.4.4, containers launched through containerd’s CRI implementation via Kubernetes, crictl, or any other pod/container client that uses the containerd CRI service that share the same image might receive incorrect...

Astra Linux – Vulnerability in Containerd

Containerd is a container runtime that is available as a daemon for Linux and Windows. A bug was discovered in Containerd prior to versions 1.6.1, 1.5.10, and 1.14.12. In these versions, containers launched through Containerd’s CRI implementation on Linux, with a specially crafted image...

Astra Linux – Vulnerability in Containerd

Moby is an open-source project created by Docker to enable and accelerate software containerization. A bug was discovered in Moby Docker Engine prior to version 20.10.14, where containers were incorrectly started with non-empty inheritable Linux process capabilities, creating an atypical Linux...