UnratedFix available

DEBIAN-CVE-2026-7734

Type: advisorySource: OSV1 source record

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.

Announced 4 May 2026Source revision 1

Original source ↗

DEBIAN-CVE-2026-7734

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-7734

gobgp

Source reference: /affected/0/package/name

Affected versions: 3.10.0-1
Source reference: /affected/0/versions
3.16.0-1
Source reference: /affected/0/versions
3.19.0-1
Source reference: /affected/0/versions
3.21.0-1
Source reference: /affected/0/versions
3.23.0-1
Source reference: /affected/0/versions
3.25.0-1
Source reference: /affected/0/versions
3.27.0-1
Source reference: /affected/0/versions
3.28.0-1
Source reference: /affected/0/versions
3.29.0-1
Source reference: /affected/0/versions
3.30.0-1
Source reference: /affected/0/versions
3.31.0-1
Source reference: /affected/0/versions
3.32.0-1
Source reference: /affected/0/versions
3.33.0-1
Source reference: /affected/0/versions
3.35.0-1
Source reference: /affected/0/versions
3.36.0-1
Source reference: /affected/0/versions
3.36.0-2
Source reference: /affected/0/versions
4.3.0-1
Source reference: /affected/0/versions
4.4.0-1
Source reference: /affected/0/versions
4.5.0-1
Source reference: /affected/0/versions
4.5.0-1~bpo13+1
Source reference: /affected/0/versions
4.6.0-1
Source reference: /affected/0/versions
4.6.0-2
Source reference: /affected/0/versions
4.6.0-2~bpo13+1
Source reference: /affected/0/versions
4.7.0-1
Source reference: /affected/0/versions
4.7.0-1~bpo13+1
Source reference: /affected/0/versions
4.8.0-1
Source reference: /affected/0/versions
4.8.0-2~exp1
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

gobgp

Source reference: /affected/1/package/name

Affected versions: 3.36.0-2
Source reference: /affected/1/versions
4.3.0-1
Source reference: /affected/1/versions
4.4.0-1
Source reference: /affected/1/versions
4.5.0-1
Source reference: /affected/1/versions
4.5.0-1~bpo13+1
Source reference: /affected/1/versions
4.6.0-1
Source reference: /affected/1/versions
4.6.0-2
Source reference: /affected/1/versions
4.6.0-2~bpo13+1
Source reference: /affected/1/versions
4.7.0-1
Source reference: /affected/1/versions
4.7.0-1~bpo13+1
Source reference: /affected/1/versions
4.8.0-1
Source reference: /affected/1/versions
4.8.0-2~exp1
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

gobgp

Source reference: /affected/2/package/name

Affected versions: 3.36.0-2
Source reference: /affected/2/versions
4.3.0-1
Source reference: /affected/2/versions
Fixed versions: 4.4.0-1
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "gobgp",
      "purl": "pkg:deb/debian/gobgp?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "3.10.0-1",
      "3.16.0-1",
      "3.19.0-1",
      "3.21.0-1",
      "3.23.0-1",
      "3.25.0-1",
      "3.27.0-1",
      "3.28.0-1",
      "3.29.0-1",
      "3.30.0-1",
      "3.31.0-1",
      "3.32.0-1",
      "3.33.0-1",
      "3.35.0-1",
      "3.36.0-1",
      "3.36.0-2",
      "4.3.0-1",
      "4.4.0-1",
      "4.5.0-1",
      "4.5.0-1~bpo13+1",
      "4.6.0-1",
      "4.6.0-2",
      "4.6.0-2~bpo13+1",
      "4.7.0-1",
      "4.7.0-1~bpo13+1",
      "4.8.0-1",
      "4.8.0-2~exp1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7734.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "gobgp",
      "purl": "pkg:deb/debian/gobgp?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "3.36.0-2",
      "4.3.0-1",
      "4.4.0-1",
      "4.5.0-1",
      "4.5.0-1~bpo13+1",
      "4.6.0-1",
      "4.6.0-2",
      "4.6.0-2~bpo13+1",
      "4.7.0-1",
      "4.7.0-1~bpo13+1",
      "4.8.0-1",
      "4.8.0-2~exp1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7734.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "4.4.0-1"
          }
        ]
      }
    ],
    "package": {
      "name": "gobgp",
      "purl": "pkg:deb/debian/gobgp?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "3.36.0-2",
      "4.3.0-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7734.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #58471 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 18:04:46 GMT
Publisher date: Mon, 04 May 2026 06:16:02 GMT

Read the original announcement