PT-2026-36763 · Osrg+1 · Gobgp+1

Rensiru · Published 2026-05-04 · Updated 2026-06-03 · CVE-2026-7734

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions osrg GoBGP versions prior to 4.4.0

Description A remote denial of service can occur in the SRv6 L3 Service component. The issue exists within the SRv6L3ServiceAttribute.DecodeFromBytes() function located in the pkg/packet/bgp/prefix sid.go file, where manipulation of the argument data triggers the failure.

Recommendations Update to version 4.4.0.

Fix

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-7734

GHSA-VM3G-8XWV-MXFP

USN-8348-1

Affected Products

Gobgp

Ubuntu

References · 22

• https://github.com/osrg/gobgp/commit/f9f7b55ec258e514be0264871fa645a2c3edad11 · Patch
• https://github.com/osrg/gobgp/releases/tag/v4.4.0 · Patch
• https://osv.dev/vulnerability/USN-8348-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-7734 · Security Note
• https://ubuntu.com/security/notices/USN-8348-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-7734 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-7734 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-7734 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-7734 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-41643 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-7737 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-7734 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-7735 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-37461 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-vm3g-8xwv-mxfp · Vendor Advisory