alsa-2026:47183
Vulnerability from osv_almalinux
Published
2026-07-28 00:00
Modified
2026-08-06 12:56
Summary
Important: compat-libtiff3 security update
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: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image (CVE-2026-12912)

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.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "compat-libtiff3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.9.4-16.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "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.  \n\nSecurity Fix(es):  \n\n  * libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image (CVE-2026-12912)\n\n\nFor 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.\n",
  "id": "ALSA-2026:47183",
  "modified": "2026-08-06T12:56:25Z",
  "published": "2026-07-28T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:47183"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-12912"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2492871"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-47183.html"
    }
  ],
  "related": [
    "CVE-2026-12912"
  ],
  "summary": "Important: compat-libtiff3 security update"
}



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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

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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.
  • 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.