SUSE-SU-2026:20127-1

Vulnerability from csaf_suse - Published: 2026-01-22 14:31 - Updated: 2026-01-22 14:31
Summary
Security update for libpng16

Notes

Title of the patch
Security update for libpng16
Description of the patch
This update for libpng16 fixes the following issues: - CVE-2026-22695: Fixed heap buffer over-read in png_image_finish_read (bsc#1256525). - CVE-2026-22801: Fixed integer truncation causing heap buffer over-read in png_image_write_* (bsc#1256526).
Patchnames
SUSE-SLES-16.0-172
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
To clipboard 

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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-22T14:31:16Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-22695"
    },
    {
      "cve": "CVE-2026-22801",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-22801"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.26 to 1.6.53, there is an integer truncation in the libpng simplified write API functions png_write_image_16bit and png_write_image_8bit causes heap buffer over-read when the caller provides a negative row stride (for bottom-up image layouts) or a stride exceeding 65535 bytes. The bug was introduced in libpng 1.6.26 (October 2016) by casts added to silence compiler warnings on 16-bit systems. This vulnerability is fixed in 1.6.54.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-22801",
          "url": "https://www.suse.com/security/cve/CVE-2026-22801"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1256526 for CVE-2026-22801",
          "url": "https://bugzilla.suse.com/1256526"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-22T14:31:16Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-22801"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.