Source: tiff Version: 4.7.1-1 Severity: grave Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for tiff. CVE-2026-4775[0]: | A flaw was found in the libtiff library. A remote attacker could | exploit a signed integer overflow vulnerability in the | putcontig8bitYCbCr44tile function by providing a specially crafted | TIFF file. This flaw can lead to an out-of-bounds heap write due to | incorrect memory pointer calculations, potentially causing a denial | of service (application crash) or arbitrary code execution. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-4775 https://www.cve.org/CVERecord?id=CVE-2026-4775 [1] https://gitlab.com/libtiff/libtiff/-/work_items/807 [2] https://gitlab.com/libtiff/libtiff/-/work_items/787 [3] https://gitlab.com/libtiff/libtiff/-/commit/782a11d6b5b61c6dc21e714950a4af5bf89f023c Please adjust the affected versions in the BTS as needed. Regards, Salvatore
