CVE-2026-49838

unknown

Published 2026-07-09 · Modified 2026-07-09

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CVSS v3

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CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

GoBGP confederation validation panics on empty AS_PATH attribute

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2026-49838 NameCVE-2026-49838 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…

CVE-2026-49838

Name	CVE-2026-49838
Source	CVE (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 Package	Release	Version	Status
gobgp (PTS)	bullseye	2.25.0-2	vulnerable
	bookworm	3.10.0-1	vulnerable
	trixie	3.36.0-2	vulnerable
	forky	4.6.0-2	vulnerable
	sid	4.7.0-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
gobgp	source	(unstable)	4.7.0-1

Notes

[trixie] - gobgp <no-dsa> (Minor issue)
https://github.com/osrg/gobgp/security/advisories/GHSA-frrj-87jh-2772
https://github.com/osrg/gobgp/commit/4a319a6c25630fb3cdbda3e9ccfe56e702bdaaa0 (v4.7.0)

Home - Debian Security - Source (Git)

Apply commands

text fix

Notes

[trixie] - gobgp <no-dsa> (Minor issue)https://github.com/osrg/gobgp/security/advisories/GHSA-frrj-87jh-2772https://github.com/osrg/gobgp/commit/4a319a6c25630fb3cdbda3e9ccfe56e702bdaaa0 (v4.7.0)

OS impact

Debian Mixed 5 releases

Version	Status	Fixed in
trixie	Affected	—
sid	Fixed	`4.7.0-1`
forky	Affected	—
bullseye	Affected	—
bookworm	Affected	—

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/osrg/gobgp/v4	`<4.7.0`	`4.7.0`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.