CVE-2025-52886

MEDIUM EPSS 28.9%
Published Jul 2, 202512mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Jul 2, 2025 12mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
28.9% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 1

VendorProductVersionRange
freedesktoppoppler* <25.06.0

References 7

  • openwall.com http://www.openwall.com/lists/oss-security/2025/07/11/5
  • openwall.com http://www.openwall.com/lists/oss-security/2025/07/12/1
  • gitlab.freedesktop.org https://gitlab.freedesktop.org/poppler/poppler/-/commit/04bd91684ed41d67ae0f10cde0660e4ed74ac203
    Patch
  • gitlab.freedesktop.org https://gitlab.freedesktop.org/poppler/poppler/-/commit/ac36affcc8486de38e8905a8d6547a3464ff46e5
    Patch
  • gitlab.freedesktop.org https://gitlab.freedesktop.org/poppler/poppler/-/issues/1581
    ExploitIssue TrackingVendor Advisory
  • gitlab.freedesktop.org https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1828
    Product
  • securitylab.github.com https://securitylab.github.com/advisories/GHSL-2025-054_poppler/
    ExploitThird Party Advisory

Remediation

  • gitlab.freedesktop.org https://gitlab.freedesktop.org/poppler/poppler/-/commit/04bd91684ed41d67ae0f10cde0660e4ed74ac203
    Patch
  • gitlab.freedesktop.org https://gitlab.freedesktop.org/poppler/poppler/-/commit/ac36affcc8486de38e8905a8d6547a3464ff46e5
    Patch