{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0205",
  "published": "2026-06-13T01:38:46Z",
  "modified": "2026-06-13T00:44:35Z",
  "summary": "Updated libpng packages fix security vulnerabilities",
  "details": "LIBPNG has a use-after-free in png_set_PLTE, png_set_tRNS and\npng_set_hIST leading to corrupted chunk data and potential heap\ninformation disclosure. (CVE-2026-34757)\nChunk smuggling in push-mode APNG parser via unconsumed chunk body.\n(CVE-2026-40930)\n",
  "upstream": [
    "CVE-2026-40930"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0205.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=35542"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/04/09/2"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-security-announce/2026/msg00174.html"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/05/15/21"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/pnggroup/libpng/security/advisories/GHSA-c4v6-gxrq-6g2x"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:9",
        "name": "libpng",
        "purl": "pkg:rpm/mageia/libpng?arch=source&distro=mageia-9"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.38-1.6.mga9"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}
