CVE-2025-52886
poppler: Poppler Use After Free Vulnerability
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 3, 2025
Updated · June 30, 2026
Description
A use-after-free vulnerability has been discovered in the PDF rendering library, stemming from a reference counting flaw. This issue allows an attacker, by providing specially crafted malicious input, to overflow a reference counter which subsequently leads to a use-after-free condition. While the exploitation of this vulnerability in practice requires a significant amount of time to achieve, it nonetheless presents a risk of memory corruption, potentially leading to unpredictable program behavior, crashes, or, in more severe scenarios, could lay the groundwork for arbitrary code execution.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-416 · Use After Free