CVE-2002-0844: Off-by-one overflow in the CVS PreservePermissions of rcs.c for CVSD before 1.11.2 allows local users to execu

Q: How do I fix CVE-2002-0844?

cvs: upgrade to 1.11.2. Exact commands for each OS are on this page.

Q: Is CVE-2002-0844 being exploited?

CVE-2002-0844 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2002-0844 affect?

CVE-2002-0844 affects cvs. Severity is high (CVSS 7.8). Off-by-one overflow in the CVS PreservePermissions of rcs.c for CVSD before 1.11.2 allows local users to execute arbitrary code.

Q: How urgent is CVE-2002-0844?

Priority 45/100. High severity; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2002-0844 is a high-severity flaw (CVSS 7.8) affecting cvs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Off-by-one overflow in the CVS PreservePermissions of rcs.c for CVSD before 1.11.2 allows local users to execute arbitrary code.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-193
Published	2002-08-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: distrotech

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2002-08-12 04:00 UTCPublished CVE record published
2026-06-16 21:58 UTCUpdated Record last modified

distrotech cvs UPGRADE

Affected: < 1.11.2

Fixed in: 1.11.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cvs || rpm -q cvs || cvs --version

2. UPGRADE to 1.11.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cvs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cvs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2002-0844?

cvs: upgrade to 1.11.2. Exact commands for each OS are on this page.

Is CVE-2002-0844 being exploited?

CVE-2002-0844 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2002-0844 affect?

CVE-2002-0844 affects cvs. Severity is high (CVSS 7.8). Off-by-one overflow in the CVS PreservePermissions of rcs.c for CVSD before 1.11.2 allows local users to execute arbitrary code.

How urgent is CVE-2002-0844?

Priority 45/100. High severity; Public exploit reference

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References

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