Description
CVS 1.11.x before 1.11.17, and 1.12.x before 1.12.9, allows remote attackers to determine the existence of arbitrary files and directories via the -X command for an alternate history file, which causes different error messages to be returned.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | cvs | 1:1.12.9 | — |
| Debian 13 | cvs | 1:1.12.9 | — |
| Debian 12 | cvs | 1:1.12.9 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | cvs | 1.11.2-24 | RHSA-2004:233 |
Advisories 1
- RHSA-2004:233 Red Hat Security Advisory: cvs security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 10955 vdb-entry
- MDKSA-2004:108 vendor-advisory
- oval:org.mitre.oval:def:10688 vdb-entry signature
- 20040816 CVS Undocumented Flag Information Disclosure Vulnerability third-party-advisory
- cvs-history-info-disclosure(17001) vdb-entry
- VU#579225 third-party-advisory