236 matches found
SUSE CVE-2026-96808
In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers, validated file paths by rejecting literal .. components but did not prevent symlink traversal. A malicious local user in an active local session could obtain two...
CVE-2026-96808
A flaw was found in Flatpak. A malicious local user in an active local session could exploit a symlink traversal vulnerability in the revokefs writer. This flaw allows an attacker to modify files belonging to a different revokefs session after they have been validated. Consequently, an attacker...
DEBIAN-CVE-2026-96808
In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers, validated file paths by rejecting literal .. components but did not prevent symlink traversal. A malicious local user in an active local session could obtain two...
CVE-2026-96808
In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers, validated file paths by rejecting literal .. components but did not prevent symlink traversal. A malicious local user in an active local session could obtain two...
UBUNTU-CVE-2026-96808
In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers, validated file paths by rejecting literal .. components but did not prevent symlink traversal. A malicious local user in an active local session could obtain two...
CVE-2026-96808
Flatpak versions prior to 1.18.1 contain a symlink traversal vulnerability in the revokefs writer component, which is utilized by the flatpak-system-helper to process repository data from unprivileged callers. While the system rejects literal .. components, it fails to prevent traversal via symli...
CVE-2026-96808
In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers, validated file paths by rejecting literal .. components but did not prevent symlink traversal. A malicious local user in an active local session could obtain two...
CVE-2026-96808
In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers, validated file paths by rejecting literal .. components but did not prevent symlink traversal. A malicious local user in an active local session could obtain two...
PT-2026-97418
Name of the Vulnerable Software and Affected Versions Flatpak versions prior to 1.18.1 Description The revokefs writer, utilized by the flatpak-system-helper to receive repository data from unprivileged callers, fails to prevent symlink traversal despite rejecting literal .. components in file...
CVE-2026-96808: UNIX Symbolic Link (Symlink) Following
In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers, validated file paths by rejecting literal .. components but did not prevent symlink traversal. A malicious local user in an active local session could obtain two...
EUVD-2026-71774
A flaw was found in Flatpak. A Time-of-check to time-of-use TOCTOU race condition exists in the org.freedesktop.Flatpak.SystemHelper component. This vulnerability occurs because a privileged chmod operation executes before the OSTree repository validation within the Deploy function. An attacker c...
CVE-2026-76925
A flaw was found in Flatpak. A Time-of-check to time-of-use TOCTOU race condition exists in the org.freedesktop.Flatpak.SystemHelper component. This vulnerability occurs because a privileged chmod operation executes before the OSTree repository validation within the Deploy function. An attacker c...
RHSA-2026:55435 Red Hat Security Advisory: gstreamer1-plugins-ugly-free security update
Bulletin has no description...
AZL-95625 CVE-2026-70622 affecting package rpm-ostree 2024.4-11
tar-rs versions 0.4.11 through 0.4.46 contain a symlink escape vulnerability in the Builder::appenddirall function that allows attackers to read files outside the intended source root directory by planting symlinks in an attacker-controlled directory. When a privileged process archives an untrust...
OESA-2026-3013 rpm-ostree security update
rpm-ostree is a hybrid image/package system. It supports "composing" packages on a build server into an OSTree repository, which can then be replicated by client systems with atomic upgrades. Additionally, unlike many "pure" image systems, with rpm-ostree each client system can layer on additiona...
OESA-2026-2944 rpm-ostree security update
rpm-ostree is a hybrid image/package system. It supports "composing" packages on a build server into an OSTree repository, which can then be replicated by client systems with atomic upgrades. Additionally, unlike many "pure" image systems, with rpm-ostree each client system can layer on additiona...
OESA-2026-2945 rpm-ostree security update
rpm-ostree is a hybrid image/package system. It supports "composing" packages on a build server into an OSTree repository, which can then be replicated by client systems with atomic upgrades. Additionally, unlike many "pure" image systems, with rpm-ostree each client system can layer on additiona...
RLSA-2026:1838 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...