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Description

A flaw was found in GIMP. A remote attacker could exploit an integer overflow vulnerability in the FITS image loader by providing a specially crafted FITS file. This integer overflow leads to a zero-byte memory allocation, which is then subjected to a heap buffer overflow when processing pixel data. Successful exploitation could result in a denial of service (DoS) or potentially arbitrary code execution.

PUBLISHED Reserved 2026-04-15 | Published 2026-04-15 | Updated 2026-04-28 | Assigner redhat




MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem types

Integer Overflow or Wraparound

Product status

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Timeline

2026-04-15:Reported to Red Hat.
2026-04-15:Made public.

Credits

Red Hat would like to thank mzfr for reporting this issue.

References

access.redhat.com/security/cve/CVE-2026-40915 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2458744 (RHBZ#2458744) issue-tracking

cve.org (CVE-2026-40915)

nvd.nist.gov (CVE-2026-40915)

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