rhsa-2025:17675
Vulnerability from csaf_redhat
Published
2025-10-09 10:52
Modified
2025-10-30 00:56
Summary
Red Hat Security Advisory: compat-libtiff3 security update

Notes

Topic
An update for compat-libtiff3 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The libtiff3 package provides libtiff 3, an older version of libtiff library for manipulating TIFF (Tagged Image File Format) image format files. This version should be used only if you are unable to use the current version of libtiff. Security Fix(es): * libtiff: Libtiff Write-What-Where (CVE-2025-9900) 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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Gareth C"
          ],
          "organization": "AnchorSec Ltd."
        }
      ],
      "cve": "CVE-2025-9900",
      "cwe": {
        "id": "CWE-123",
        "name": "Write-what-where Condition"
      },
      "discovery_date": "2025-09-03T02:48:12.111000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2392784"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Libtiff. This vulnerability is a \"write-what-where\" condition, triggered when the library processes a specially crafted TIFF image file.\n\nBy providing an abnormally large image height value in the file\u0027s metadata, an attacker can trick the library into writing attacker-controlled color data to an arbitrary memory location. This memory corruption can be exploited to cause a denial of service (application crash) or to achieve arbitrary code execution with the permissions of the user.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libtiff: Libtiff Write-What-Where",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This attack requires user interaction to run the malicious TIFF image file, hence the CVE is maintained as important.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-9900"
        },
        {
          "category": "external",
          "summary": "RHBZ#2392784",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2392784"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-9900",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-9900"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-9900",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-9900"
        },
        {
          "category": "external",
          "summary": "https://github.com/SexyShoelessGodofWar/LibTiff-4.7.0-Write-What-Where?tab=readme-ov-file",
          "url": "https://github.com/SexyShoelessGodofWar/LibTiff-4.7.0-Write-What-Where?tab=readme-ov-file"
        }
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      "release_date": "2025-09-22T14:29:35.767000+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2025-10-09T10:52:59+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "restart_required": {
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          "url": "https://access.redhat.com/errata/RHSA-2025:17675"
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        {
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            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libtiff: Libtiff Write-What-Where"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.