High 7.3Published May 4, 2026

CVE-2026-7735A vulnerability was found in osrg GoBGP up to 4.3.0.

Updated under an hour ago (2026-10-19 07:50 UTC)

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It affects osrg gobgp. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for osrg gobgp

Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE): CWE-119, CWE-120
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

osrg gobgp osrg:gobgp	before 4.4.0	NVD

References

https://github.com/osrg/gobgp/product
https://github.com/osrg/gobgp/commit/51ad1ada06cb41ce47b7066799981816f50b7cedpatch
https://github.com/osrg/gobgp/releases/tag/v4.4.0patch, product
https://vuldb.com/submit/807600third-party-advisory, vdb-entry
https://vuldb.com/vuln/360910third-party-advisory, vdb-entry
https://vuldb.com/vuln/360910/ctipermissions-required, vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.