PyMuPDF
CVE-2026-120752: 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 po
CVE-2026-120752 Nov 2, 2026 Source: Vendor
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.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-120752
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CVE-2026-120752
BR2026-0000-041381
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Credited as k3rn3lbr3ach3r
CVE-2026-120752
BR2026-0000-041382
unclaimed
Credited as Dilanka Kaushal Hewage (r3vpwnx)