CVE-2026-7735

NameCVE-2026-7735
DescriptionA vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a manipulation results in buffer overflow. It is possible to initiate the attack remotely. Upgrading to version 4.4.0 is able to address this issue. The patch is named 51ad1ada06cb41ce47b7066799981816f50b7ced. The affected component should be upgraded.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gobgp (PTS)bullseye2.25.0-2vulnerable
bookworm3.10.0-1vulnerable
trixie3.36.0-2vulnerable
forky, sid4.4.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gobgpsource(unstable)4.4.0-1

Notes

Fixed by: https://github.com/osrg/gobgp/commit/51ad1ada06cb41ce47b7066799981816f50b7ced (v4.4.0)

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