Home/CVE/Poppler is a PDF rendering library. Versions prior to 25.06.0 use `std::atomic_int` for reference counting. Because `std
CVE

CVE-2025-52886

Poppler is a PDF rendering library. Versions prior to 25.06.0 use `std::atomic_int` for reference counting. Because `std

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.

MEDIUM · CVSS 5.9 EPSS 0.00278
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

1
freedesktop poppler< 25.06.0
⚠

Public Exploits & PoCs

2
pocgitlab.freedesktop.org · 1581gitlab.freedesktop.org
pocsecuritylab.github.com · GHSL-2025-054_popplersecuritylab.github.com
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jul 2025 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

8
usnUSN-7687-1
usnUSN-7675-1
suse-csafSUSE-SU-2025:02356-1
suse-csafSUSE-SU-2025:02357-1
suse-csafSUSE-SU-2025:02324-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gitlab.freedesktop.org/poppler/poppler/-/commit/04bd91684ed41d67ae0f10cde0660e4ed74ac203Patch
https://gitlab.freedesktop.org/poppler/poppler/-/commit/ac36affcc8486de38e8905a8d6547a3464ff46e5Patch
https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1828Product
http://www.openwall.com/lists/oss-security/2025/07/11/5
http://www.openwall.com/lists/oss-security/2025/07/12/1
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