libpng: Fix of CVE-2026-33416

{
  "id": "192b19be3c509872551cd4fd89fc17671768a7a3b99534843efe96f2c9d69baf",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1783520301",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libpng: Fix of CVE-2026-33416",
    "summary": "- CVE-2026-33416: fix use-after-free from aliased palette/trans_alpha buffers between png_struct and png_info",
    "evidence": "osv:CLSA-2026-1783520301",
    "products": [
      {
        "name": {
          "value": "libpng",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:1.5.13-8.el7.tuxcare.els4",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libpng-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:1.5.13-8.el7.tuxcare.els4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libpng-static",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:1.5.13-8.el7.tuxcare.els4",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1783520301",
      "aliases": [
        "CLSA-2026-1783520301"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:1.5.13-8.el7.tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "libpng",
            "purl": "pkg:rpm/tuxcare/libpng?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1783520301.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:1.5.13-8.el7.tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "libpng-devel",
            "purl": "pkg:rpm/tuxcare/libpng-devel?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1783520301.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:1.5.13-8.el7.tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "libpng-static",
            "purl": "pkg:rpm/tuxcare/libpng-static?distro=oraclelinux-7",
            "ecosystem": "TuxCare:OracleLinux:7"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1783520301.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:55.419715687Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-33416"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/oraclelinux7els/CLSA-2026-1783520301.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-33416"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-33416",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 448980,
  "published_at": "2026-07-08T14:18:37+00:00"
}