CVE-2025-52886

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
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GitHub_MCNA
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CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
poppler
bullseye
vulnerable
bullseye (security)
vulnerable
bookworm
vulnerable
sid
vulnerable
trixie
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
poppler
plucky
needs-triage
oracular
needs-triage
noble
needs-triage
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
Common Weakness Enumeration
Vulnerability Media Exposure
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/