CVE-2026-66758
CVE-2026-66758: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.8
High [CVE-2026-66758] integer overflow in file-fits plugin causes a heap-based buffer overflow on crafted FITS images
CVE-2026-66758Source published Source updated
A flaw was found in the file-fits plugin in GIMP. 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. To exploit this vulnerability, an attacker needs to convince a user to process a specially crafted FITS image with GIMP, reducing the likelihood of exploitation. However, successful exploitation may potentially lead to arbitrary code execution or a denial of service. Default Red Hat Enterprise Linux security features, including SELinux enforcement, Address…
- Affected products in this advisory
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
1 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- gimp-2:3.0.4-4.el9_8.9
- RHSA-2026:50817
- Mitigation guidance
- To mitigate this vulnerability, do not open FITS files from untrusted sources with GIMP.
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