GHSA-6x88-8xw5-p2gwMediumCVSS 6.1
A flaw was found in libtiff. A heap-buffer overflow vulnerability exists in the `tiff2pdf`...
🔗 CVE IDs covered (1)
📋 Description
A flaw was found in libtiff. A heap-buffer overflow vulnerability exists in the tiff2pdf utility due to an integer truncation error when processing crafted BigTIFF files. An attacker can provide a specially crafted BigTIFF file, causing a 64-bit StripByteCounts value to be truncated to a 32-bit integer. This leads to an undersized memory allocation and a subsequent out-of-bounds memory copy, resulting in a crash and severe memory corruption.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-18495
- https://access.redhat.com/errata/RHSA-2026:53467
- https://access.redhat.com/security/cve/CVE-2026-18495
- https://bugzilla.redhat.com/show_bug.cgi?id=2531414
- https://gitlab.com/libtiff/libtiff/-/merge_requests/729
- https://gitlab.com/libtiff/libtiff/-/tree/67fd283d276f09db54dc39b9ef7b979d4b45c4b1
- https://github.com/advisories/GHSA-6x88-8xw5-p2gw