How severe is CVE-2008-2942?

CVE-2008-2942 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2008-2942 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2942?

CVE-2008-2942 affects Mercurial. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-2942?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-2942 published?

CVE-2008-2942 was published on 2008-06-30 and last updated on 2026-06-16.

CVE-2008-2942

CVE-2008-2942 is a medium-severity vulnerability in Mercurial with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Mercurial
Published: 2008-06-30
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2008-2942?: 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.
How severe is CVE-2008-2942?: CVE-2008-2942 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2008-2942 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2942?: CVE-2008-2942 affects Mercurial. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-2942?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-2942 published?: CVE-2008-2942 was published on 2008-06-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mercurial:mercurial:1.0.1:*:*:*:*:*:*:*

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