CVE-2025-52886
CVE-2025-52886 is a medium-severity vulnerability in Freedesktop Poppler with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v4: 5.5
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-19742
- Weakness: CWE-416
- Affected product: Freedesktop Poppler
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2025-52886?
- CVE-2025-52886 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-52886 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-52886?
- CVE-2025-52886 affects Freedesktop Poppler. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-52886?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-52886 have an EU (EUVD) identifier?
- Yes. CVE-2025-52886 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19742.
- When was CVE-2025-52886 published?
- CVE-2025-52886 was published on 2025-07-02 and last updated on 2026-06-17.
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/
- http://www.openwall.com/lists/oss-security/2025/07/11/5
- http://www.openwall.com/lists/oss-security/2025/07/12/1
Affected products (1)
- cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:*
More vulnerabilities in Freedesktop Poppler
- CVE-2019-9631 — Critical (CVSS 9.8): Poppler 0.74.0 has a heap-based buffer over-read in the CairoRescaleBox.cc downsample_row_box_filter function.
- CVE-2018-21009 — High (CVSS 8.8): Poppler before 0.66.0 has an integer overflow in Parser::makeStream in Parser.cc.
- CVE-2019-12293 — High (CVSS 8.8): In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with…
- CVE-2019-10872 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. There is a heap-based buffer over-read in the function…
- CVE-2019-9545 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. A recursive function call, in JBIG2Stream::readTextRegion() located in…
- CVE-2019-9543 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. A recursive function call, in JBIG2Stream::readGenericBitmap() located in…
All CVEs affecting Freedesktop Poppler →
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