libpng security update

{
  "id": "9d14f884cf92547c54a81e2b398c99443a1a941577a4e58f38dc19f0045807a6",
  "url": "https://osv.dev/vulnerability/OESA-2026-4397",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libpng security update",
    "summary": "The libpng package contains libraries used by other programs for reading and writing PNG format files. The PNG format was designed as a replacement for GIF and, to a lesser extent, TIFF, with many improvements and extensions and lack of patent problems. Security Fix(es): [Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression](CVE-2026-46675)",
    "evidence": "osv:OESA-2026-4397",
    "products": [
      {
        "name": {
          "value": "libpng",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.40-13.oe2403sp3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "OESA-2026-4397",
      "aliases": [
        "OESA-2026-4397"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.40-13.oe2403sp3"
                }
              ]
            }
          ],
          "package": {
            "name": "libpng",
            "purl": "pkg:rpm/openEuler/libpng&distro=openEuler-24.03-LTS-SP3",
            "ecosystem": "openEuler:24.03-LTS-SP3"
          },
          "database_specific": {
            "source": "https://repo.openeuler.org/security/data/osv/OESA-2026-4397.json"
          },
          "ecosystem_specific": {
            "src": [
              "libpng-1.6.40-13.oe2403sp3.src.rpm"
            ],
            "noarch": [
              "libpng-help-1.6.40-13.oe2403sp3.noarch.rpm"
            ],
            "x86_64": [
              "libpng-1.6.40-13.oe2403sp3.x86_64.rpm",
              "libpng-debuginfo-1.6.40-13.oe2403sp3.x86_64.rpm",
              "libpng-debugsource-1.6.40-13.oe2403sp3.x86_64.rpm",
              "libpng-devel-1.6.40-13.oe2403sp3.x86_64.rpm",
              "libpng-static-1.6.40-13.oe2403sp3.x86_64.rpm",
              "libpng-tools-1.6.40-13.oe2403sp3.x86_64.rpm"
            ],
            "aarch64": [
              "libpng-1.6.40-13.oe2403sp3.aarch64.rpm",
              "libpng-debuginfo-1.6.40-13.oe2403sp3.aarch64.rpm",
              "libpng-debugsource-1.6.40-13.oe2403sp3.aarch64.rpm",
              "libpng-devel-1.6.40-13.oe2403sp3.aarch64.rpm",
              "libpng-static-1.6.40-13.oe2403sp3.aarch64.rpm",
              "libpng-tools-1.6.40-13.oe2403sp3.aarch64.rpm"
            ]
          }
        }
      ],
      "modified": "2026-10-16T12:15:20.430397870Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-46675"
      ],
      "references": [
        "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4397",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-46675"
      ],
      "provider_metadata": {
        "severity": "Medium"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-46675",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 340915,
  "published_at": "2026-10-16T12:00:10+00:00"
}