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UnratedFix available

Security update for libpng16

Type: advisorySources: OSV

This update for libpng16 fixes the following issue: - CVE-2026-46675: Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression (bsc#1283183). Changes for libpng16: - version update to 1.6.59: * Fixed CVE-2026-46675 (medium severity): Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (Reported independently by Ze Sheng and .) * Fixed a regression introduced in version 1.6.47 that caused libpng to reject hIST chunks in their correct position, after PLTE. (Contributed by Yuki Sekiguchi.) * Prevented a double free of `png_struct` members after an allocation failure. (Contributed by Anthony Hurtado.) * Applied fixes and updates to the CMake build. * Adopted the REUSE Specification for licensing the CI files.

Products
libpng16
Affected versions
Not specified
Fixed versions
1.6.59-160000.1.1
CVEs
CVE-2026-46675
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 15:32 UTC · Revision 1

Source evidence

Security update for libpng16

core-osv · Original source

Published 10 Oct 2026, 11:21 UTC

This update for libpng16 fixes the following issue: - CVE-2026-46675: Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression (bsc#1283183). Changes for libpng16: - version update to 1.6.59: * Fixed CVE-2026-46675 (medium severity): Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (Reported independently by Ze Sheng and .) * Fixed a regression introduced in version 1.6.47 that caused libpng to reject hIST chunks in their correct position, after PLTE. (Contributed by Yuki Sekiguchi.) * Prevented a double free of `png_struct` members after an allocation failure. (Contributed by Anthony Hurtado.) * Applied fixes and updates to the CMake build. * Adopted the REUSE Specification for licensing the CI files.

osv:SUSE-SU-2026:24228-1

libpng16

Fixed versions: 1.6.59-160000.1.1

libpng16

Fixed versions: 1.6.59-160000.1.1

Complete source record
{
  "id": "ed7017c58093266df4e4b066919e4a039556f913a7142890849f3b84eda14894",
  "url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A24228-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Security update for libpng16",
    "summary": "This update for libpng16 fixes the following issue: - CVE-2026-46675: Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression (bsc#1283183). Changes for libpng16: - version update to 1.6.59: * Fixed CVE-2026-46675 (medium severity): Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression. (Reported independently by Ze Sheng and .) * Fixed a regression introduced in version 1.6.47 that caused libpng to reject hIST chunks in their correct position, after PLTE. (Contributed by Yuki Sekiguchi.) * Prevented a double free of `png_struct` members after an allocation failure. (Contributed by Anthony Hurtado.) * Applied fixes and updates to the CMake build. * Adopted the REUSE Specification for licensing the CI files.",
    "evidence": "osv:SUSE-SU-2026:24228-1",
    "products": [
      {
        "name": {
          "value": "libpng16",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.59-160000.1.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libpng16",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.59-160000.1.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "SUSE-SU-2026:24228-1",
      "aliases": [
        "SUSE-SU-2026:24228-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.59-160000.1.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libpng16",
            "purl": "pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%2016.0",
            "ecosystem": "SUSE:Linux Enterprise Server 16.0"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24228-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libpng16-16": "1.6.59-160000.1.1",
                "libpng16-devel": "1.6.59-160000.1.1",
                "libpng16-tools": "1.6.59-160000.1.1",
                "libpng16-16-x86-64-v3": "1.6.59-160000.1.1",
                "libpng16-compat-devel": "1.6.59-160000.1.1",
                "libpng16-devel-x86-64-v3": "1.6.59-160000.1.1",
                "libpng16-compat-devel-x86-64-v3": "1.6.59-160000.1.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.59-160000.1.1"
                }
              ]
            }
          ],
          "package": {
            "name": "libpng16",
            "purl": "pkg:rpm/suse/libpng16&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0",
            "ecosystem": "SUSE:Linux Enterprise Server for SAP applications 16.0"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24228-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "libpng16-16": "1.6.59-160000.1.1",
                "libpng16-devel": "1.6.59-160000.1.1",
                "libpng16-tools": "1.6.59-160000.1.1",
                "libpng16-16-x86-64-v3": "1.6.59-160000.1.1",
                "libpng16-compat-devel": "1.6.59-160000.1.1",
                "libpng16-devel-x86-64-v3": "1.6.59-160000.1.1",
                "libpng16-compat-devel-x86-64-v3": "1.6.59-160000.1.1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-21T17:23:14.849097988Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-46675"
      ],
      "references": [
        "https://www.suse.com/support/update/announcement/2026/suse-su-202624228-1/",
        "https://bugzilla.suse.com/1283183",
        "https://www.suse.com/security/cve/CVE-2026-46675"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-46675",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 397579,
  "published_at": "2026-10-10T11:21:45+00:00"
}