alsa-2026:4728
Vulnerability from osv_almalinux
Published
2026-03-17 00:00
Modified
2026-03-19 12:37
Summary
Important: libpng security update
Details

The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files.

Security Fix(es):

  • libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801)
  • libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695)
  • libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "libpng"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:1.6.34-10.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "libpng-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:1.6.34-10.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files.  \n\nSecurity Fix(es):  \n\n  * libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801)\n  * libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695)\n  * libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:4728",
  "modified": "2026-03-19T12:37:34Z",
  "published": "2026-03-17T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:4728"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-22695"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-22801"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-25646"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2428824"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2428825"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2438542"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-4728.html"
    }
  ],
  "related": [
    "CVE-2026-22801",
    "CVE-2026-22695",
    "CVE-2026-25646"
  ],
  "summary": "Important: libpng security update"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.