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CVE-2025-52991

The Nix, Lix, and Guix package managers default to using temporary build directories in a world...

3.2 Low

The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into using directories with pre-existing content, potentially leading to unauthorized actions or data manipulation. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.17%Up 0.2 points since Jun 28, 2025
90%50%10%1%

What each source reports

CVE List Score used 3.2

The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into using directories with pre-existing content, potentially leading to unauthorized actions or data manipulation. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

Record
CVE-2025-52991
CVSS 3.1
3.2 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Weakness
CWE-276
Updated
2026-11-02
EUVDEUVD-2025-19381 3.2

The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into using directories with pre-existing content, potentially leading to unauthorized actions or data manipulation. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

Record
EUVD-2025-19381
CVSS 3.1
3.2 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-8vh4-gppm-m3jm 3.2

The Nix, Lix, and Guix package managers default to using temporary build directories in a world...

The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into using directories with pre-existing content, potentially leading to unauthorized actions or data manipulation. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

Record
GHSA-8vh4-gppm-m3jm
CVSS 3.1
3.2 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Weakness
CWE-276
Updated
2026-11-02
NVD 3.2

The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into using directories with pre-existing content, potentially leading to unauthorized actions or data manipulation. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

Record
CVE-2025-52991
CVSS 3.1
3.2 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Weakness
CWE-276
Updated
2026-11-02
OSVDEBIAN-CVE-2025-52991 3.2

The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into using directories with pre-existing content, potentially leading to unauthorized actions or data manipulation. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

Record
DEBIAN-CVE-2025-52991
CVSS 3.1
3.2 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2025-52991 3.2

The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into using directories with pre-existing content, potentially leading to unauthorized actions or data manipulation. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

Record
UBUNTU-CVE-2025-52991
CVSS 3.1
3.2 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Updated
2026-11-02
OSV No score

The Nix, Lix, and Guix package managers default to using temporary build directories in a world-readable and world-writable location. This allows standard users to deceive the package manager into using directories with pre-existing content, potentially leading to unauthorized actions or data manipulation. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

Record
CVE-2025-52991
Updated
2026-11-02
OSVopenSUSE-SU-2025:15248-1 No score

nix-2.29.1-1.1 on GA media

These are all security issues fixed in the nix-2.29.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:15248-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
guix
Debian:11
 All versions, plus listed versions
1.2.0-41.2.0-4+deb11u11.2.0-4+deb11u21.2.0-4+deb11u31.3.0+26720.a2e4e-1
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1.3.0+26756.c07b5-11.3.0+26756.c07b5-21.3.0-11.3.0-21.3.0-31.3.0-41.3.0-51.3.0~rc1-11.4.0+154709.ab1b557d8f3-11.4.0+154710+ab1b5-11.4.0+154710+ab1b5-21.4.0+154928+f1810-11.4.0-11.4.0-21.4.0-31.4.0-41.4.0-51.4.0-61.4.0-71.4.0-81.4.0-91.4.0~rc1-11.4.0~rc1-21.4.0~rc2-1
 None known
guix
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
1.2.0-41.3.0-21.3.0-41.3.0-4ubuntu0.1~esm1
 None known
guix
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
1.4.0-51.4.0-61.4.0-6build11.4.0-6ubuntu0.1~esm1
 None known
nix
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
 before 2.29.1-1.1
2.29.1-1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-52991 is a low vulnerability (CVSS 3.2) in Nixos Nix, published June 27, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.

References

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