{"id":"CVE-2026-79592","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-79592","summary":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","details":"An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.","published":"2026-09-10T21:17:47.047","modified":"2026-09-11T15:17:04.623","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/libxls/libxls/pull/165/changes/6eed8bc1d51d6649faebab0184b21ab8768d8fa6","label":"libxls/libxls#165"},"references":[{"type":"WEB","url":"https://github.com/libxls/libxls/issues/162"},{"type":"WEB","url":"https://github.com/libxls/libxls/pull/165/changes/6eed8bc1d51d6649faebab0184b21ab8768d8fa6"},{"type":"WEB","url":"https://github.com/libxls/libxls/issues/162"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-11T15:17:04.623"}}