{"id":"CVE-2026-115504","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-115504","summary":"CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns.…","details":"CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller's string array, enabling arbitrary code execution.","published":"2026-10-22T20:17:06.313","modified":"2026-10-22T20:17:06.313","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/HEASARC/cfitsio/commit/579792e0f85bff0c6733ad5ebdf54c3b5c188686","label":"HEASARC/cfitsio@579792e"},"references":[{"type":"WEB","url":"https://gist.github.com/yure1432/98f15c7e8f48dc90ae65646f926aa176"},{"type":"WEB","url":"https://github.com/HEASARC/cfitsio"},{"type":"WEB","url":"https://github.com/HEASARC/cfitsio/commit/579792e0f85bff0c6733ad5ebdf54c3b5c188686"},{"type":"WEB","url":"https://github.com/HEASARC/cfitsio/pull/184"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/cfitsio-through-4.7.0-out-of-bounds-write-via-ffgcls2-in-getcols-c"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-22T20:17:06.313"}}