{"id":"CVE-2026-120752","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-120752","summary":"PyMuPDF 1.25.3 before 2.0 contains a stack-based buffer overflow vulnerability in JM_set_annot_callout_line() that copies a caller-supplied number of callout points into a fixed three-element…","details":"PyMuPDF 1.25.3 before 2.0 contains a stack-based buffer overflow vulnerability in JM_set_annot_callout_line() that copies a caller-supplied number of callout points into a fixed three-element stack array. Attackers who control the callout argument passed to Page.add_freetext_annot() can supply four or more points to overwrite the stack frame, crashing the process or executing code.","published":"2026-11-02T23:17:20.243","modified":"2026-11-02T23:17:20.243","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/pymupdf/PyMuPDF/commit/d4298ead84ceeae1c9065c81cd9a275a1b092f5e","label":"pymupdf/PyMuPDF@d4298ea"},"references":[{"type":"WEB","url":"https://github.com/pymupdf/PyMuPDF"},{"type":"WEB","url":"https://github.com/pymupdf/PyMuPDF/blob/1.28.2/src/extra.i#L787-L797"},{"type":"WEB","url":"https://github.com/pymupdf/PyMuPDF/commit/d4298ead84ceeae1c9065c81cd9a275a1b092f5e"},{"type":"WEB","url":"https://github.com/pymupdf/PyMuPDF/issues/5112"},{"type":"WEB","url":"https://github.com/pymupdf/PyMuPDF/issues/5173"},{"type":"WEB","url":"https://github.com/pymupdf/PyMuPDF/releases/tag/2.0"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/pymupdf-1.25.3-before-2.0-stack-buffer-overflow-via-add-freetext-annot-callout"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-02T23:17:20.243"}}