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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.

PUBLISHED Reserved 2025-06-20 | Published 2025-07-02 | Updated 2025-11-04 | Assigner GitHub_M




MEDIUM: 5.5CVSS: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

Problem types

CWE-416: Use After Free

Product status

< 25.06.0
affected

References

www.openwall.com/lists/oss-security/2025/07/11/5

www.openwall.com/lists/oss-security/2025/07/12/1

securitylab.github.com/advisories/GHSL-2025-054_poppler/

gitlab.freedesktop.org/...684ed41d67ae0f10cde0660e4ed74ac203

gitlab.freedesktop.org/...fcc8486de38e8905a8d6547a3464ff46e5

gitlab.freedesktop.org/poppler/poppler/-/issues/1581

gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1828

cve.org (CVE-2025-52886)

nvd.nist.gov (CVE-2025-52886)

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