CVE-2026-7735

EUVD-2026-26915

04.05.2026, 06:16

A 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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.3 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Base Score

CVSS 3.x

EPSS Score

Percentile: 28.82%

Affected Products (NVD)

Vendor	Product	Version
osrg	gobgp	𝑥 < 4.4.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

gobgp

bookworm	postponed
bullseye	postponed
forky	4.7.0-1 fixed
sid	4.7.0-1 fixed
trixie	no-dsa

Ubuntu Releases

Ubuntu Product

Codename

gobgp

bionic	Fixed 1.29-1ubuntu0.1+esm2 released
focal	Fixed 2.12.0-1ubuntu0.1~esm3 released
jammy	Fixed 2.25.0-3ubuntu0.1+esm4 released
noble	Fixed 3.23.0-1ubuntu0.3+esm4 released
questing	ignored
resolute	Fixed 3.36.0-2ubuntu0.1~esm1 released

Common Weakness Enumeration

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

References

https://github.com/osrg/gobgp/

https://github.com/osrg/gobgp/commit/51ad1ada06cb41ce47b7066799981816f50b7ced

https://github.com/osrg/gobgp/releases/tag/v4.4.0

https://vuldb.com/submit/807600

https://vuldb.com/vuln/360910

https://vuldb.com/vuln/360910/cti