CVE-2026-120752
7.5 HIGHpublic exploit availablePublished 2026-11-02 · Updated 2026-11-02
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-121
Public exploit & PoC references
- https://github.com/pymupdf/PyMuPDF
- https://github.com/pymupdf/PyMuPDF/blob/1.28.2/src/extra.i#L787-L797
- https://github.com/pymupdf/PyMuPDF/commit/d4298ead84ceeae1c9065c81cd9a275a1b092f5e
- https://github.com/pymupdf/PyMuPDF/issues/5112
- https://github.com/pymupdf/PyMuPDF/issues/5173
- https://github.com/pymupdf/PyMuPDF/releases/tag/2.0
All references
- https://github.com/pymupdf/PyMuPDF
- https://github.com/pymupdf/PyMuPDF/blob/1.28.2/src/extra.i#L787-L797
- https://github.com/pymupdf/PyMuPDF/commit/d4298ead84ceeae1c9065c81cd9a275a1b092f5e
- https://github.com/pymupdf/PyMuPDF/issues/5112
- https://github.com/pymupdf/PyMuPDF/issues/5173
- https://github.com/pymupdf/PyMuPDF/releases/tag/2.0
- https://www.vulncheck.com/advisories/pymupdf-1.25.3-before-2.0-stack-buffer-overflow-via-add-freetext-annot-callout
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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