CVE-2025-52886

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.

CVSS v4.0

5.5 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.39% chance of exploitation in the next 30 days, 32th percentile

Published

2025-07-02

Updated

2025-11-04

Proof-of-concept exploits (1)

• https://securitylab.github.com/advisories/GHSL-2025-054_poppler/

References

• CVE Record
• NVD entry

Related

• CVE-2025-5288
• CVE-2025-52888
• CVE-2025-5287
• CVE-2025-52889
• CVE-2025-5278
• CVE-2025-52890