CVE-2025-10158

NameCVE-2025-10158
DescriptionA malicious client acting as the receiver of an rsync file transfer can trigger an out of bounds read of a heap based buffer, via a negative array index. The malicious rsync client requires at least read access to the remote rsync module in order to trigger the issue.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1121442

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rsync (PTS)bullseye3.2.3-4+deb11u1vulnerable
bullseye (security)3.2.3-4+deb11u3vulnerable
bookworm, bookworm (security)3.2.7-1+deb12u2vulnerable
trixie3.4.1+ds1-5vulnerable
forky, sid3.4.1+ds1-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rsyncsource(unstable)3.4.1+ds1-71121442

Notes

[trixie] - rsync <no-dsa> (Minor issue)
[bookworm] - rsync <no-dsa> (Minor issue)
[bullseye] - rsync <ignored> (Minor issue)
Fixed by: https://github.com/RsyncProject/rsync/commit/797e17fc4a6f15e3b1756538a9f812b63942686f

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