Security advisory

{
  "id": "f15790a921f5193b3b01ca533c0f5f0e461aa1099efef295e4adbf7466bf4172",
  "url": "https://osv.dev/vulnerability/CVE-2016-5735",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-5735",
    "summary": "Integer overflow in the rwpng_read_image24_libpng function in rwpng.c in pngquant 2.7.0 allows remote attackers to have unspecified impact via a crafted PNG file, which triggers a buffer overflow.",
    "evidence": "osv:CVE-2016-5735",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2016-5735",
      "aliases": [
        "CVE-2016-5735"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/kornelski/pngquant",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cd14e0881a3e1f8157947e63ffd846c9f7a55c82"
                },
                {
                  "last_affected": "cd14e0881a3e1f8157947e63ffd846c9f7a55c82"
                },
                {
                  "fixed": "b7c217680cda02dddced245d237ebe8c383be285"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:pngquant:pngquant:2.7.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.7.0"
                      },
                      {
                        "last_affected": "2.7.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b7c217680cda02dddced245d237ebe8c383be285"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.7.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-5735.json",
            "vanir_signatures": [
              {
                "id": "CVE-2016-5735-90d441ae",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "11749072273354818079652599568515810704",
                    "295321760208783322335535339872887592277",
                    "263241181405925274193218127026934768670",
                    "279570523230507015572632992992007345031",
                    "61102045982274863775149249678886770771",
                    "101195728603932320435831620322596778343",
                    "185264035726705698568741517661172567482",
                    "323461216799807688237550986647038251466",
                    "59479731129094185246169890485511112403",
                    "3248771318875236472868746566677569443"
                  ]
                },
                "source": "https://github.com/kornelski/pngquant/commit/b7c217680cda02dddced245d237ebe8c383be285",
                "target": {
                  "file": "rwpng.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2016-5735-9ffba8c0",
                "digest": {
                  "length": 4485,
                  "function_hash": "219203256382287797673606922366190072575"
                },
                "source": "https://github.com/kornelski/pngquant/commit/b7c217680cda02dddced245d237ebe8c383be285",
                "target": {
                  "file": "rwpng.c",
                  "function": "rwpng_read_image24_libpng"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:17:57Z"
          }
        }
      ],
      "modified": "2026-10-20T13:17:57.690604884Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2020/06/msg00028.html",
        "https://github.com/pornel/pngquant/commit/b7c217680cda02dddced245d237ebe8c383be285"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-5735",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387471,
  "published_at": "2017-05-23T04:29:01.477+00:00"
}