Security advisory

{
  "id": "fb5cb6f12b722db0cccc9c93194a09f16c6b0526a491a9f4a28fdf12e258cfde",
  "url": "https://osv.dev/vulnerability/CVE-2020-23922",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-23922",
    "summary": "An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.",
    "evidence": "osv:CVE-2020-23922",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-23922",
      "aliases": [
        "CVE-2020-23922"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/bookkeeper",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4d8a5efe57d847ab2adb59ad026ddca076c60ca1"
                },
                {
                  "last_affected": "4d8a5efe57d847ab2adb59ad026ddca076c60ca1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:bookkeeper:4.12.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.12.1"
                      },
                      {
                        "last_affected": "4.12.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.12.1",
            "release-4.12.1-docker"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-23922.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:33.779143895Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E",
        "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E",
        "https://cwe.mitre.org/data/definitions/126.html",
        "https://sourceforge.net/p/giflib/bugs/151/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:giflib_project:giflib:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "giflib_project:giflib",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "5.1.4"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-23922",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433370,
  "published_at": "2021-04-21T18:15:08.347+00:00"
}