SUSE-SU-2026:21675-1

Vulnerability from csaf_suse - Published: 2026-05-15 10:45 - Updated: 2026-09-20 18:38
Summary
Security update for tiff
Severity
Important
Notes
Title of the patch: Security update for tiff
Description of the patch: This update for tiff fixes the following issue - CVE-2026-4775: signed integer overflow in the `putcontig8bitYCbCr44tile` function (bsc#1260411).
Patchnames: SUSE-SLE-Micro-6.0-707
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-2026-4775
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.x86_64 —
Vendor Fix
Threats
Impact important
References
To clipboard 

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      "text": "important"
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    "category": "csaf_security_advisory",
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    "distribution": {
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        "title": "Description of the patch"
      },
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        "title": "Patchnames"
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      },
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        "url": "https://www.suse.com/security/cve/CVE-2026-4775/"
      }
    ],
    "title": "Security update for tiff",
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      "revision_history": [
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  "product_tree": {
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      {
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                  "product_identification_helper": {
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          "product_id": "SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.aarch64"
        },
        "product_reference": "libtiff6-0:4.7.1-2.1.aarch64",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      },
      {
        "category": "default_component_of",
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-4775",
      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2026-4775"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.s390x",
          "SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.x86_64"
        ]
      },
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          "url": "https://www.suse.com/security/cve/CVE-2026-4775"
        },
        {
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          "summary": "SUSE Bug 1260411 for CVE-2026-4775",
          "url": "https://bugzilla.suse.com/1260411"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1272954 for CVE-2026-4775",
          "url": "https://bugzilla.suse.com/1272954"
        }
      ],
      "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 6.0:libtiff6-0:4.7.1-2.1.aarch64",
            "SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.s390x",
            "SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
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            "SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.s390x",
            "SUSE Linux Micro 6.0:libtiff6-0:4.7.1-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-15T10:45:40Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-4775"
    }
  ]
}



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Sightings

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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • 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.



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