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

published 2002-08-12 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0836

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

Patch / fix

fixed in 1 distros 2 links 2

distrotech cvs 1.11.2

debian red hat

cvs Debian 14, Debian 13, Debian 12 1:1.11.2

debian advisories DEBIAN-CVE-2002-0844

cvs RHEL 3 1.11.2-14

red hat advisories RHSA-2004:004

archives.neohapsis.com/archives/vulnwatch/2002-q2/0081.html advisory
securityfocus.com/bid/4829 advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2002-0844 updated 2025-11-21

security flaw

Red Hat Desktop version 3 cvs 1.11.2-14 Red Hat Enterprise Linux AS version 3 cvs 1.11.2-14 Red Hat Enterprise Linux ES version 3 cvs 1.11.2-14 Red Hat Enterprise Linux WS version 3 cvs 1.11.2-14
fixed: vendor fix RHSA-2004:004

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

archives.neohapsis.com http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0081.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-193 Off-by-one Error

References

archives.neohapsis.com /archives/vulnwatch/2002-q2/0081.html
mailing-list, broken-link, exploit, patch, vendor-advisory
securityfocus.com /bid/4829
vdb-entry, broken-link, patch, third-party-advisory, vendor-advisory
redhat.com /support/errata/RHSA-2004-004.html
vendor-advisory, broken-link
exchange.xforce.ibmcloud.com /vulnerabilities/9175
vdb-entry, third-party-advisory
marc.info /?l=bugtraq&m=102233767925177&w=2
mailing-list

Sources

CVE List CVE-2002-0844
NVD CVE-2002-0844

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary