CVE catalog

CVE-2021-27345

lrzip: CVE-2021-27345

[CVE catalog]

Severity
Low
Published
Source
[NVD] · [CVE record]
EPSS
0.71% · Oct 25, 2026

A null pointer dereference was discovered in ucompthread in stream.c in Irzip 0.631 which allows attackers to cause a denial of service (DOS) via a crafted compressed file.

Vulnerable and fixed packages

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

DistributionPackageReleaseVersionStatus
Debianlrzipsid0.660-1fixed
Debianlrzipforky0.660-1fixed
Debianlrziptrixie0.651-3fixed
Debianlrzipbookworm0.651-2fixed
Ubuntulrzippro0.608-2vulnerable
Ubuntulrzippro0.616-1vulnerable
Ubuntulrzippro0.616-1ubuntu0.1~esmvulnerable
Ubuntulrzippro0.616-1ubuntu0.1~esm1vulnerable
Ubuntulrzippro0.616-1ubuntu0.1~esm2vulnerable
Ubuntulrzip18.040.631-1vulnerable
Ubuntulrzip18.040.631-1+deb9u1build0.18.04.1vulnerable
Ubuntulrzip18.040.631-1+deb9u3build0.18.04.1fixed
Ubuntulrzip20.040.631+git180528-1vulnerable
Ubuntulrzip20.040.631+git180528-1build1vulnerable
Ubuntulrzip20.040.631+git180528-1+deb10u1build0.20.04.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianlrzipsourcesid0.640-1unimportantNot reportedNot reported
Debianlrzipsourceforky0.640-1unimportantNot reportedNot reported
Debianlrzipsourcetrixie0.640-1unimportantNot reportedNot reported
Debianlrzipsourcebookworm0.640-1unimportantNot reportedNot reported
Ubuntulrzipdeb18.040.631-1+deb9u3build0.18.04.1Not reportedUBUNTU-CVE-2021-27345Not reported
Ubuntulrzipdeb20.040.631+git180528-1+deb10u1build0.20.04.1Not reportedUBUNTU-CVE-2021-27345Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [lrzip]Fixed
    Details (2)

    • 0.651-2 · amd64 · bookworm

      Fixed · Fixed: 0.640-1

      dsa · lrzip · debian · bookworm; dsa · lrzip · debian · 12

    • 0.651-2 · arm64 · bookworm

      Fixed · Fixed: 0.640-1

      dsa · lrzip · debian · bookworm; dsa · lrzip · debian · 12

[Debian 13 (Trixie)]

  • [lrzip]Fixed

    Source package: [lrzip]

    Details (2)

    • 0.651-3 · amd64 · trixie

      Fixed · Fixed: 0.640-1

      dsa · lrzip · debian · 13

    • 0.651-3+b1 · arm64 · trixie

      Fixed · Fixed: 0.640-1

      dsa · lrzip · debian · 13

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]