CVE-2008-2942

Mercurial Directory traversal vulnerability

6.8 MediumFix available

Directory traversal vulnerability in patch.py in Mercurial 1.0.1 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Exploit likelihood

1.90%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 6.8

Directory traversal vulnerability in patch.py in Mercurial 1.0.1 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Record: CVE-2008-2942
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-22
Updated: 2026-11-02

CVE List No score

Directory traversal vulnerability in patch.py in Mercurial 1.0.1 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Record: CVE-2008-2942
Updated: 2026-11-02

EUVDEUVD-2022-5263 No score

Directory traversal vulnerability in patch.py in Mercurial 1.0.1 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Record: EUVD-2022-5263
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v2gw-x5jf-pgwv No score

Mercurial Directory traversal vulnerability

Directory traversal vulnerability in patch.py in Mercurial before 1.0.2 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Record: GHSA-v2gw-x5jf-pgwv
Weakness: CWE-22
Updated: 2026-11-02

OSV No score

Directory traversal vulnerability in patch.py in Mercurial 1.0.1 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Record: CVE-2008-2942
Updated: 2026-11-02

OSVDEBIAN-CVE-2008-2942 No score

Directory traversal vulnerability in patch.py in Mercurial 1.0.1 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Record: DEBIAN-CVE-2008-2942
Updated: 2026-11-02

OSVGHSA-v2gw-x5jf-pgwv No score

Mercurial Directory traversal vulnerability

Directory traversal vulnerability in patch.py in Mercurial before 1.0.2 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Record: GHSA-v2gw-x5jf-pgwv
Weakness: CWE-22
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10586-1 No score

mercurial-5.9.1-2.1 on GA media

These are all security issues fixed in the mercurial-5.9.1-2.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10586-1
Updated: 2026-11-02

OSVPYSEC-2026-666 No score

Mercurial Directory traversal vulnerability

Directory traversal vulnerability in patch.py in Mercurial before 1.0.2 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

Record: PYSEC-2026-666
Updated: 2026-11-02

Affected products

mercurial

Affected packages

Affected packages
Package	Affected	Fixed
`mercurial` PyPI	before 1.0.2	1.0.2
`mercurial` Debian:12	before 1.0.1-2	1.0.1-2
`mercurial` Debian:13	before 1.0.1-2	1.0.1-2
`mercurial` Debian:14	before 1.0.1-2	1.0.1-2
`mercurial` PyPI	before 1.0.2, plus listed versions 0.8.10.90.9.10.9.20.9.3 Show 4 moreShow less 0.9.40.9.51.01.0.1	1.0.2
`mercurial` openSUSE:Tumbleweed From an advisory covering 9 CVEs	before 5.9.1-2.1	5.9.1-2.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2008-2942 is a medium vulnerability (CVSS 6.8) in Mercurial, published June 30, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.90%, the 79th percentile. Fixed in mercurial 1.0.2.

References

Show 21 moreShow less