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Debian dla-4610 : git-lfs - security update
high Nessus Plugin ID 318111
Synopsis
The remote Debian host is missing a security-related update.Description
The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4610 advisory.- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4610-1 [email protected] https://www.debian.org/lts/security/ Andrej Shadura May 31, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------
Package : git-lfs Version : 2.13.2-1+deb11u2 CVE ID : CVE-2025-26625
In Git LFS versions 0.5.2 through 3.7.0, when populating a Git repository's working tree with the contents of Git LFS objects, certain Git LFS commands could write to files visible outside the current Git working tree if symbolic or hard links existed which collided with the paths of files tracked by Git LFS.
The git lfs checkout and git lfs pull commands did not check for symbolic links before writing to files in the working tree, which allowed an attacker to craft a repository containing symbolic or hard links that caused Git LFS to write to arbitrary file system locations accessible to the user running these commands.
Also, when the git lfs checkout and git lfs pull commands were run in a bare repository, they could write to files visible outside the repository.
The complete fix to this issue, specifically the behaviour of git lfs pull, requires a newer Git version, 2.42.0 or newer.
As a workaround, support for symlinks in Git may be disabled by setting the core.symlinks configuration option to false, after which further clones and fetches will not create symbolic links. However, any symbolic or hard links in existing repositories will still provide the opportunity for Git LFS to write to their targets.
For Debian 11 bullseye, this problem has been partially fixed in version 2.13.2-1+deb11u2. For a complete fix, Git 2.42.0 or newer is also required.
We recommend that you upgrade your git-lfs packages.
For the detailed security status of git-lfs please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/git-lfs
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS
Tenable has extracted the preceding description block directly from the Debian security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade the git-lfs packages.See Also
https://security-tracker.debian.org/tracker/source-package/git-lfs
Plugin Details
Severity: High
ID: 318111
File Name: debian_DLA-4610.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Debian Local Security Checks
Published: 6/1/2026
Updated: 6/1/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
CVSS v2
Risk Factor: High
Base Score: 9.4
Temporal Score: 7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
CVSS Score Source: CVE-2025-26625
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.6
Threat Score: 6.2
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:golang-github-git-lfs-git-lfs-dev, p-cpe:/a:debian:debian_linux:git-lfs
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 5/31/2026
Vulnerability Publication Date: 10/17/2025
Reference Information
CVE: CVE-2025-26625