CVE-2025-53816

NameCVE-2025-53816
Description7-Zip is a file archiver with a high compression ratio. Zeroes written outside heap buffer in RAR5 handler may lead to memory corruption and denial of service in versions of 7-Zip prior to 25.0.0. Version 25.0.0 contains a fix for the issue.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1109494

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
7zip-rar (PTS)trixie/non-free25.00+ds-1fixed
sid/non-free, forky/non-free25.01+ds-2fixed
p7zip-rar (PTS)bullseye/non-free, bookworm/non-free16.02-3vulnerable
sid/non-free, forky/non-free, trixie/non-free16.02+transitional.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
7zip-rarsource(unstable)25.00+ds-11109494
p7zip-rarsource(unstable)16.02+transitional.1

Notes

[bookworm] - p7zip-rar <no-dsa> (Non-free not supported)
https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip/
https://www.openwall.com/lists/oss-security/2025/07/18/1
Since p7zip-rar/16.02+transitional.1 src:p7zip-rar is only a empty source package
depending on 7zip-rar. Mark this version as fixed version.

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