{"id":"CVE-2026-79591","aliases":["DEBIAN-CVE-2026-79591","EUVD-2026-75745","GHSA-8cvq-g9xh-jmpf","UBUNTU-CVE-2026-79591"],"status":"published","title":"A heap-buffer-overflow and use-after-free vulnerability exists in the xls_getCSS() function of...","description":"A heap-buffer-overflow and use-after-free vulnerability exists in the xls_getCSS() function of libxls 1.6.3 due to insufficient validation of a file-controlled font 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