Medium 5.5Published Jul 2, 2025

CVE-2025-52886Poppler Use After Free Vulnerability

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects poppler and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Start free and add your stackFree account, 3 products Every CVE for poppler Exploited in the last 30 days

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: 5.5 MEDIUM (v4.0, CNA)CVSS: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
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Modified
Record last updated: Nov 4, 2025
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

poppler poppler poppler:poppler (from the name)	before 25.06.0	CNA record
freedesktop poppler freedesktop:poppler	before 25.06.0	NVD

References

References

https://securitylab.github.com/advisories/GHSL-2025-054_poppler/	x-refsource-confirm, exploit, third-party-advisory
https://gitlab.freedesktop.org/poppler/poppler/-/commit/04bd91684ed41d67ae0f10cde0660e4ed74ac203	x-refsource-misc, patch
https://gitlab.freedesktop.org/poppler/poppler/-/commit/ac36affcc8486de38e8905a8d6547a3464ff46e5	x-refsource-misc, patch
https://gitlab.freedesktop.org/poppler/poppler/-/issues/1581	x-refsource-misc, exploit, issue-tracking, vendor-advisory
https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1828	x-refsource-misc, product
http://www.openwall.com/lists/oss-security/2025/07/11/5
http://www.openwall.com/lists/oss-security/2025/07/12/1

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.