Integer overflow in Red Hat Enterprise Linux 6
CVE-2026-66758
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…
Vulnerability class: Integer Overflow
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2026-66758?
- CVE-2026-66758 is a high-severity vulnerability in Red Hat Enterprise Linux 6, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-07-27.
- How severe is CVE-2026-66758?
- High severity. CVSS v3 base score is 7.8 out of 10.