Description
CVS 1.12 and earlier on Debian GNU/Linux does not properly handle when a mapping for the current repository does not exist in the cvs-repouids file, which allows remote attackers to cause a denial of service (server crash).
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 | 1:1.12.9-12 | — |
| Debian 13 | cvs | 1:1.12.9-12 | — |
| Debian 12 | cvs | 1:1.12.9-12 | — |
| Debian 3.0 | cvs | 1.11.1p1debian-10 | DSA-715-1 |
Advisories 1
- DSA-715-1 cvs - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-715 vendor-advisory