CVE-2026-32288

tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format...

CVE-2026-32288

CVE-2026-32288 affects Go’s archive/tar parsing of the old GNU sparse map format. A malicious tar with many sparse regions can trigger tar.Reader to allocate unbounded memory, potentially exhausting memory and causing high availability impact. Documented impact metrics show LOCAL attack vector, L...

CVE-2026-32288 Unbounded allocation for old GNU sparse in archive/tar

tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format...

CVE-2026-32288

tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format...

GO-2026-4869 Unbounded allocation for old GNU sparse in archive/tar

tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format...

PT-2026-31065

Name of the Vulnerable Software and Affected Versions tar.Reader affected versions not specified Description tar.Reader can allocate an unbounded amount of memory when processing a specially crafted archive containing numerous sparse regions encoded using the "old GNU sparse map" format. This can...

golang: archive/tar: Unbounded allocation when parsing GNU sparse map

A flaw was found in the archive/tar package in the Go standard library. tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A specially crafted tar archive with a pax header indicating a big number of sparse regions can cause a Go...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.16.58 packages and security update

Red Hat OpenShift Container Platform release 4.16.58 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 4.16. Red Hat Product Security has rated this update as having a...

RHEL 9 : podman (RHSA-2026:4533)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:4533 advisory. The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use contain...

golang: archive/tar: Unbounded allocation when parsing GNU sparse map

A flaw was found in the archive/tar package in the Go standard library. tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A specially crafted tar archive with a pax header indicating a big number of sparse regions can cause a Go...

Important: Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.1.5

Red Hat OpenShift Service Mesh 3.1.5 This update has 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 links in the References section. Red Hat OpenShift Service Mesh 3.1....

AlmaLinux 9 : image-builder (ALSA-2026:1377)

The remote AlmaLinux 9 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:1377 advisory. golang: archive/tar: Unbounded allocation when parsing GNU sparse map CVE-2025-58183 Tenable has extracted the preceding description block directly from the...

Moderate: Red Hat Security Advisory: image-builder security update

An update for image-builder is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

ALSA-2026:1837 Moderate: osbuild-composer security update

A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fixes: golang:...

MiracleLinux 9 : osbuild-composer-149-3.el9_7.ML.1 (AXSA:2026-132:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-132:01 advisory. golang: archive/tar: Unbounded allocation when parsing GNU sparse map CVE-2025-58183 Tenable has extracted the preceding description block directly from the...

AlmaLinux 9 : osbuild-composer (ALSA-2026:1381)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:1381 advisory. golang: archive/tar: Unbounded allocation when parsing GNU sparse map CVE-2025-58183 Tenable has extracted the preceding description block directly from the...

Security update for go1.24-openssl

This update for go1.24-openssl fixes the following issues: Update to version 1.24.12 released 2026-01-15 jscSLE-18320, bsc1236217: Security fixes: CVE-2025-47912: net/url: insufficient validation of bracketed IPv6 hostnames bsc1251257. CVE-2025-58183: archive/tar: unbounded allocation when parsin...

Moderate: Red Hat Security Advisory: osbuild-composer security update

An update for osbuild-composer is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

Moderate: Red Hat Security Advisory: osbuild-composer security update

An update for osbuild-composer is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

ALSA-2026:1377 Moderate: image-builder security update

A local binary for building customized OS artifacts such as VM images and OSTree commits. Uses osbuild under the hood. Security Fixes: golang: archive/tar: Unbounded allocation when parsing GNU sparse map CVE-2025-58183 For more details about the security issues, including the impact, a CVSS scor...