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Updated libpng package fixes a security vulnerability

Type: advisorySources: OSV

Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (CVE-2026-46675)

Products
libpng
Affected versions
Not specified
Fixed versions
1.6.53-6.1.mga10
CVEs
CVE-2026-46675
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 08:20 UTC · Revision 1

Source evidence

Updated libpng package fixes a security vulnerability

core-osv · Original source

Published 19 Oct 2026, 16:59 UTC

Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (CVE-2026-46675)

osv:MGASA-2026-0520

libpng

Fixed versions: 1.6.53-6.1.mga10

Complete source record
{
  "id": "570d39c1dcc28075146537f1c7a9e5984839d8963b981ff1a8af0ff648f63846",
  "url": "https://osv.dev/vulnerability/MGASA-2026-0520",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Updated libpng package fixes a security vulnerability",
    "summary": "Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (CVE-2026-46675)",
    "evidence": "osv:MGASA-2026-0520",
    "products": [
      {
        "name": {
          "value": "libpng",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.53-6.1.mga10",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "MGASA-2026-0520",
      "aliases": [
        "MGASA-2026-0520"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.53-6.1.mga10"
                }
              ]
            }
          ],
          "package": {
            "name": "libpng",
            "purl": "pkg:rpm/mageia/libpng?arch=source&distro=mageia-10",
            "ecosystem": "Mageia:10"
          },
          "database_specific": {
            "source": "https://advisories.mageia.org/MGASA-2026-0520.json"
          },
          "ecosystem_specific": {
            "section": "core"
          }
        }
      ],
      "modified": "2026-10-19T17:00:03.588947453Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-46675"
      ],
      "references": [
        "https://advisories.mageia.org/MGASA-2026-0520.html",
        "https://bugs.mageia.org/show_bug.cgi?id=36403",
        "https://www.openwall.com/lists/oss-security/2026/09/29/4",
        "https://github.com/pnggroup/libpng/security/advisories/GHSA-qvg3-h654-xq3j",
        "https://lists.debian.org/debian-security-announce/2026/msg00450.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-46675",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 375439,
  "published_at": "2026-10-19T16:59:00+00:00"
}