SB2025080522 - Use-after-free in Poppler
Published: August 5, 2025
Security Bulletin ID
SB2025080522
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-52886)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when reading PDF files. A remote attacker can overflow the 32bit std::atomic_int counter, trigger memory corruption and potentially compromise the affected system.
Remediation
Install update from vendor's website.
References
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/04bd91684ed41d67ae0f10cde0660e4ed74ac203
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/ac36affcc8486de38e8905a8d6547a3464ff46e5
- https://gitlab.freedesktop.org/poppler/poppler/-/issues/1581
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1828
- https://securitylab.github.com/advisories/GHSL-2025-054_poppler/