CVE catalog

CVE-2005-2991

ncompress: CVE-2005-2991

[CVE catalog]

Severity
Low
Source
[NVD] · [CVE record]
EPSS
0.37% · Oct 25, 2026

ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianncompresssid5.0-5not affected
Debianncompressforky5.0-5not affected
Debianncompresstrixie5.0-3not affected
Debianncompressbookworm4.2.4.6-6not affected

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
DebianncompresssourcesidNot affectedunimportantNot reportedNot reported
DebianncompresssourceforkyNot affectedunimportantNot reportedNot reported
DebianncompresssourcetrixieNot affectedunimportantNot reportedNot reported
DebianncompresssourcebookwormNot affectedunimportantNot reportedNot reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [ncompress]Not affected
    Details (2)
    • 4.2.4.6-6 · amd64 · bookworm

      Not affected

      dsa · ncompress · debian · bookworm

    • 4.2.4.6-6 · arm64 · bookworm

      Not affected

      dsa · ncompress · debian · bookworm

Observed:

References