CVE-2025-52886 MEDIUM

CVE-2025-52886: Poppler Use After Free Vulnerability

Vendor Poppler
Product poppler
Weakness CWE-416
Published July 2, 2025
Last update November 4, 2025
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CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

Poppler is a PDF rendering library. Versions prior to 25.06.0 use `std::atomic_int` for reference counting. Because `std::atomic_int` is only 32 bits, it is possible to overflow the reference count and trigger a use-after-free. Version 25.06.0 patches the issue.

Key dates

02Disclosure timeline

July 2, 2025 CVE published
November 4, 2025 Record updated