Security advisory

{
  "id": "cf158901196e7955cde6dae9fcdc1878d8654cf9d2ad6558bd250d07f43cd54a",
  "url": "https://osv.dev/vulnerability/CVE-2022-29977",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2022-29977",
    "summary": "There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.",
    "evidence": "osv:CVE-2022-29977",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-29977",
      "aliases": [
        "CVE-2022-29977"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/saitoha/libsixel",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6a5be8b72d84037b83a5ea838e17bcf372ab1d5f"
                },
                {
                  "last_affected": "6a5be8b72d84037b83a5ea838e17bcf372ab1d5f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.8.6"
                      },
                      {
                        "last_affected": "1.8.6"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.8.6",
            "v1.8.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-29977.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.092413771Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29977.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-29977",
        "https://github.com/saitoha/libsixel/issues/165"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29977.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-29977",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 501260,
  "published_at": "2022-05-11T13:10:13+00:00"
}