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SUSE-SU-2025:21220-1

Vulnerability from csaf_suse - Published: 2025-12-16 08:25 - Updated: 2025-12-16 08:25
Summary
Security update for libpng16
Severity
Important
Notes
Title of the patch: Security update for libpng16
Description of the patch: This update for libpng16 fixes the following issues: - CVE-2025-66293: Fixed out-of-bounds read in png_image_read_composite (bsc#1254480). - CVE-2025-64505: Fixed heap buffer over-read in `png_do_quantize` via malformed palette index (bsc#1254157). - CVE-2025-64506: Fixed heap buffer over-read in `png_write_image_8bit` with 8-bit input and `convert_to_8bit` enabled (bsc#1254158). - CVE-2025-64720: Fixed buffer overflow in `png_image_read_composite` via incorrect palette premultiplication (bsc#1254159). - CVE-2025-65018: Fixed heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` (bsc#1254160).
Patchnames: SUSE-SLE-Micro-6.1-354
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2025-64505
6.8 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2025-64506
6.8 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2025-64505
Threats
Impact moderate
CVE-2025-64720
6.8 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2025-64505
Threats
Impact moderate
CVE-2025-65018
6.8 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2025-64505
Threats
Impact moderate
CVE-2025-66293
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Affected products
Recommended 4 products, the same list as for CVE-2025-64505
Threats
Impact important
References
To clipboard 

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        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-65018"
        }
      ],
      "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 version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function png_image_finish_read when processing 16-bit interlaced PNGs with 8-bit output format. Attacker-crafted interlaced PNG files cause heap writes beyond allocated buffer bounds. This issue has been patched in version 1.6.51.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.aarch64",
          "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.ppc64le",
          "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.s390x",
          "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-65018",
          "url": "https://www.suse.com/security/cve/CVE-2025-65018"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1254160 for CVE-2025-65018",
          "url": "https://bugzilla.suse.com/1254160"
        }
      ],
      "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",
          "product_ids": [
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.aarch64",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.ppc64le",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.x86_64"
          ]
        }
      ],
      "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": [
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.aarch64",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.ppc64le",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-12-16T08:25:26Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2025-65018"
    },
    {
      "cve": "CVE-2025-66293",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-66293"
        }
      ],
      "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. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng\u0027s simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng\u0027s internal state management. Upgrade to libpng 1.6.52 or later.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.aarch64",
          "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.ppc64le",
          "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.s390x",
          "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-66293",
          "url": "https://www.suse.com/security/cve/CVE-2025-66293"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1254480 for CVE-2025-66293",
          "url": "https://bugzilla.suse.com/1254480"
        }
      ],
      "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",
          "product_ids": [
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.aarch64",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.ppc64le",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.aarch64",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.ppc64le",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:libpng16-16-1.6.43-slfo.1.1_2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-12-16T08:25:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-66293"
    }
  ]
}



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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.

Sightings

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.