CVE-2026-52492 (GCVE-0-2026-52492)

Vulnerability from cvelistv5 – Published: 2026-08-24 00:00 – Updated: 2026-08-24 20:29
VLAI
Summary
An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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          "value": "An integer overflow in the libtiff rgb2ycbcr utility\u0027s cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image"
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      "providerMetadata": {
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        "shortName": "mitre"
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      "references": [
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          "url": "https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7"
        },
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          "url": "https://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa"
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    "assignerShortName": "mitre",
    "cveId": "CVE-2026-52492",
    "datePublished": "2026-08-24T00:00:00.000Z",
    "dateReserved": "2026-06-08T00:00:00.000Z",
    "dateUpdated": "2026-08-24T20:29:29.368Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-08-25T14:13:43+00:00",
      "cve": "CVE-2026-52492",
      "id": "CVE-2026-52492",
      "initial_release_date": "2026-08-24T00:00:00+00:00",
      "product_status:known_affected": "31",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libtiff: libtiff: Arbitrary code execution via crafted TIFF image",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52492.json",
      "version": "3"
    }
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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.