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TI-2026-06816 Aliases CVE-2026-7734GHSA-vm3g-8xwv-mxfp

osrg GoBGP SRv6 L3 Service prefix_sid.go SRv6L3ServiceAttribute.DecodeFromBytes denial of service

Priority LOW 37CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-404.

Summary

A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be performed from remote. Upgrading to version 4.4.0 will fix this issue. The name of the patch is f9f7b55ec258e514be0264871fa645a2c3edad11. You should upgrade the affected component.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00464 40th percentileScored 2026-11-07
Fix Fixed GoBGP (osrg): 4.4.0github.com/osrg/gobgp/v4 (Go): 4.4.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
osrgGoBGP4.0; 4.1; 4.2; 4.3.04.4.0Patch availableCNA
—github.com/osrg/gobgp/v4 (Go)before 4.4.04.4.0Patch availableGHSA-vm3g-8xwv-mxfp
  • GoBGP Vendorosrg Affected 4.0; 4.1; 4.2; 4.3.0 Fixed in 4.4.0 Patch available CNA
  • github.com/osrg/gobgp/v4 (Go) Vendor— Affected before 4.4.0 Fixed in 4.4.0 Patch available GHSA-vm3g-8xwv-mxfp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:*before 4.4.0Vulnerableosrg
  • cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:* Versions before 4.4.0 Vulnerable ·osrg

Remediation

  • Fix · CNA GoBGP (osrg) Fixed in 4.4.0
  • Fix · GHSA-vm3g-8xwv-mxfp github.com/osrg/gobgp/v4 (Go) Fixed in 4.4.0 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-7734
  2. 2026-10-03 Alias added: GHSA-vm3g-8xwv-mxfp
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Patch 2

Advisory 1

Other 2

  • TI-2026-30596 GoBGP: Panic in AdjRib.Update via malformed BGP Update message (Nil Pointer Dereference) CVSS 3.1HIGH 7.5
  • TI-2026-30162 GoBGP: Remote Denial of Service (Panic) in UpdatePathAttrs4ByteAs via Malformed BGP UPDATE CVSS 3.1HIGH 7.5
  • TI-2026-30161 GoBGP: Remote Denial of Service (Panic) via Malformed Well-known Path Attribute CVSS 3.1HIGH 7.5
  • TI-2026-23526 An issue in GoBGP gobgpd v.4.2.0 allows a remote attacker to cause a denial of service via the NEXT_HOP path attribute CVSS 3.1HIGH 7.5
  • TI-2025-28529 An issue was discovered in GoBGP before 3.35.0. CVSS 3.1HIGH 8.6
  • TI-2025-28531 An issue was discovered in GoBGP before 3.35.0. CVSS 3.1CRITICAL 9.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences