CVE-2025-52886
Medium
Description
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.
SeverityMedium
CVSS5.9
Exploit probability—
ProductFreedesktop Poppler
PublishedJul 2, 2025
First seenJul 2, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- freedesktop poppler25.06.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freedesktop poppler | v < 25.06.0 | 25.06.0 |
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