data/osv/GO-2026-5955.json

{
  "schema_version": "1.3.1",
  "id": "GO-2026-5955",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2026-49837",
    "GHSA-gjrg-jjr3-56cm"
  ],
  "summary": "GoBGP: BGP OPEN capability parser may read capability values outside declared CapLen boundaries in github.com/osrg/gobgp",
  "details": "GoBGP: BGP OPEN capability parser may read capability values outside declared CapLen boundaries in github.com/osrg/gobgp",
  "affected": [
    {
      "package": {
        "name": "github.com/osrg/gobgp/v4",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/osrg/gobgp/v4/pkg/packet/bgp",
            "symbols": [
              "BGPOpen.DecodeFromBytes",
              "CapFQDN.DecodeFromBytes",
              "CapFourOctetASNumber.DecodeFromBytes",
              "CapGracefulRestart.DecodeFromBytes",
              "CapMultiProtocol.DecodeFromBytes",
              "CapSoftwareVersion.DecodeFromBytes",
              "DecodeCapability",
              "OptionParameterCapability.DecodeFromBytes",
              "ParseBGPBody",
              "ParseBGPMessage"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/osrg/gobgp/security/advisories/GHSA-gjrg-jjr3-56cm"
    },
    {
      "type": "FIX",
      "url": "https://github.com/osrg/gobgp/commit/f02ca397821f6ca182ef4eb492c3cbc459552d7c"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2026-5955",
    "review_status": "REVIEWED"
  }
}