CVE-2026-120752 - PyMuPDF 1.25.3 before 2.0 Stack Buffer Overflow via add_freetext_annot() Callout

CVE-2026-120752 - PyMuPDF 1.25.3 before 2.0 Stack Buffer Overflow via add_freetext_annot() Callout

https://cvefeed.io/rssfeed/latest.atom / Tue, 11/03/2026 - 04:28
CVE ID :CVE-2026-120752
Published : Nov. 2, 2026, 11:17 p.m. | 4 hours, 8 minutes ago
Description :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.
Severity: 7.7 | HIGH
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