Security advisory

{
  "id": "2b4d7fc63892140a35cdd20dbe7644e5d8ff8ae336966fc523ec0cd795e3d4dd",
  "url": "https://osv.dev/vulnerability/CVE-2021-3185",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-3185",
    "summary": "A flaw was found in the gstreamer h264 component of gst-plugins-bad before v1.18.1 where when parsing a h264 header, an attacker could cause the stack to be smashed, memory corruption and possibly code execution.",
    "evidence": "osv:CVE-2021-3185",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-3185",
      "aliases": [
        "CVE-2021-3185"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gstreamer/gst-plugins-bad",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e5c3c106a2da607953fea36e3a253b382c939684"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:freedesktop:gst-plugins-bad:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.18.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.18.0",
            "1.17.90",
            "1.17.2",
            "1.17.1",
            "1.16.0",
            "1.15.90",
            "1.15.2",
            "1.15.1",
            "1.14.0",
            "1.13.91",
            "1.13.90",
            "1.13.1",
            "1.12.0",
            "1.11.91",
            "1.11.90",
            "1.11.2",
            "1.11.1",
            "1.10.0",
            "1.11.0",
            "1.9.90",
            "1.9.2",
            "1.9.1",
            "1.8.0",
            "1.7.91",
            "1.7.90",
            "1.7.2",
            "1.7.1",
            "1.6.0",
            "1.5.91",
            "1.5.90",
            "1.5.2",
            "1.5.1",
            "1.4.0",
            "1.3.90",
            "1.3.3",
            "1.3.2",
            "1.3.1",
            "1.2.0",
            "1.1.90",
            "1.1.4",
            "1.1.3",
            "1.1.2",
            "1.1.1",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "RELEASE-0.11.99",
            "RELEASE-0.11.94",
            "RELEASE-0.11.93",
            "RELEASE-0.11.92",
            "RELEASE-0.11.91",
            "RELEASE-0.11.90",
            "RELEASE-0.11.2",
            "RELEASE-0.11.1",
            "RELEASE-0.10.20",
            "RELEASE-0.10.19",
            "RELEASE-0.10.18",
            "RELEASE-0.10.17",
            "RELEASE-0.10.16",
            "RELEASE-0.10.15",
            "RELEASE-0.10.14",
            "RELEASE-0.10.13",
            "RELEASE-0.10.12",
            "RELEASE-0_10_11",
            "RELEASE-0_10_10",
            "GIT_CONVERSION",
            "RELEASE-0_10_9",
            "RELEASE-0_10_21",
            "RELEASE-0_10_8",
            "RELEASE-0_10_20",
            "RELEASE-0_10_7",
            "RELEASE-0_10_19",
            "RELEASE-0_10_18",
            "RELEASE-0_10_6",
            "RELEASE-0_10_17",
            "RELEASE-0_10_16",
            "RELEASE-0_10_5",
            "RELEASE-0_10_15",
            "RELEASE-0_10_14",
            "RELEASE-0_10_13",
            "RELEASE-0_10_12",
            "RELEASE-0_10_4",
            "RELEASE-0_10_3",
            "RELEASE-0_10_1",
            "RELEASE-0_10_2",
            "RELEASE-0_10_0",
            "RELEASE-0_9_7",
            "RELEASE-0_9_6",
            "RELEASE-0_9_5",
            "RELEASE-0_9_4",
            "RELEASE-0_9_3",
            "RELEASE-0_9_1",
            "RELEASE-0_9_2",
            "CHANGELOG_START",
            "BRANCH-GSTREAMER-0_8-ROOT",
            "BEFORE_INDENT",
            "MOVE-TO-FDO",
            "CAPS-MERGE-3",
            "CAPS-ROOT",
            "TYPEFIND-ROOT",
            "BRANCH-ERROR-ROOT",
            "OSLOSUMMIT1-200303051",
            "CAPS",
            "BRANCH-EVENTS2-ROOT",
            "DEBIAN-0_3_1-1",
            "start"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3185.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:57.222380095Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/202208-31",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1917192"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-3185",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438806,
  "published_at": "2021-01-26T18:16:28.067+00:00"
}