OPENSUSE-SU-2026:21076-1

Vulnerability from csaf_opensuse - Published: 2026-06-28 09:26 - Updated: 2026-09-17 17:36
Summary
Security update for giflib
Severity
Important
Notes
Title of the patch: Security update for giflib
Description of the patch: This update for giflib fixes the following issue - CVE-2026-26740: heap out-of-bounds read when processing a specially crafted GIF file containing a GCE block with a truncated extension byte count (bsc#1259836).
Patchnames: openSUSE-Leap-16.0-1098
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 16.0:giflib-devel-0:5.2.2-160000.4.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:giflib-devel-0:5.2.2-160000.4.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:giflib-devel-0:5.2.2-160000.4.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:giflib-devel-0:5.2.2-160000.4.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:giflib-progs-0:5.2.2-160000.4.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:giflib-progs-0:5.2.2-160000.4.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:giflib-progs-0:5.2.2-160000.4.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:giflib-progs-0:5.2.2-160000.4.1.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libgif7-0:5.2.2-160000.4.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libgif7-0:5.2.2-160000.4.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libgif7-0:5.2.2-160000.4.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:libgif7-0:5.2.2-160000.4.1.x86_64 —
Vendor Fix
Threats
Impact important

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          "url": "https://bugzilla.suse.com/1259836"
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          "category": "vendor_fix",
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      "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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      "threats": [
        {
          "category": "impact",
          "date": "2026-06-28T09:26:36Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-26740"
    }
  ]
}



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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.

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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.


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