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CVE-2025-52886

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Date: July 2, 2025

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.

Severity Score

Related Resources (10)

https://gitlab.freedesktop.org/poppler/poppler/-/commit/ac36affcc8486de38e8905a8d6547a3464ff46e5
https://gitlab.freedesktop.org/poppler/poppler/-/issues/1581
http://www.openwall.com/lists/oss-security/2025/07/12/1
https://nvd.nist.gov/vuln/detail/CVE-2025-52886
https://gitlab.freedesktop.org/poppler/poppler/-/commit/04bd91684ed41d67ae0f10cde0660e4ed74ac203
https://security-tracker.debian.org/tracker/CVE-2025-52886
https://securitylab.github.com/advisories/GHSL-2025-054_poppler/
https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1828
http://www.openwall.com/lists/oss-security/2025/07/11/5
https://www.mend.io/vulnerability-database/CVE-2025-52886

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version https://gitlab.freedesktop.org/poppler/poppler.git - poppler-25.06.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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