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Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package gimp:2.8/python2-pycairo  (opens in a new tab)

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EPSS
0.3% (21st percentile)

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  • Snyk IDSNYK-RHEL8-GIMP-18365809
  • published28 Jul 2026
  • disclosed7 Jul 2026
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Introduced: 7 Jul 2026

CVE-2026-66758  (opens in a new tab)
CWE-190  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:8.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gimp:2.8/python2-pycairo package and not the gimp:2.8/python2-pycairo package as distributed by RHEL.

A flaw was found in the file-fits plugin in GIMP. When processing a FITS image file, the plugin calculates memory allocation sizes using signed 32-bit integers for width and height. If a crafted file sets both values to large values, their product exceeds 2^31 and overflows, resulting in an undersized heap-based buffer allocation. This integer overflow issue results in a heap-based buffer overflow when cfitsio subsequently writes a full row of pixels in the buffer, causing memory corruption, potentially leading to arbitrary code execution or a denial of service.