Poppler ia a library for rendering PDF files, and examining or modifying their structure. A use-after-free (write) vulnerability has been detected in versions Poppler prior to 25.10.0 within the StructTreeRoot class. The issue arises from the use of raw pointers to elements of a std::vector, which can lead to dangling pointers when the vector is resized. The vulnerability stems from the way that refToParentMap stores references to std::vector elements using raw pointers. These pointers may become invalid when the vector is resized. This vulnerability is a common security problem involving the use of raw pointers to std::vectors. Internally, std::vector stores its elements in a dynamically allocated array. When the array reaches its capacity and a new element is added, the vector reallocates a larger block of memory and moves all the existing elements to the new location. At this point if any pointers to elements are stored before a resize occurs, they become dangling pointers once the reallocation happens. Version 25.10.0 contains a patch for the issue.
CVE-2025-52885
This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 94% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.1
- EG Score
- 6.1(medium)
- EG Risk
- 28(Track)EG Risk 28/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 7%
- KEV
- Not listed
Published
October 10, 2025
Last Modified
April 15, 2026
References (4)
- security-advisories@githubhttps://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1884
- security-advisories@githubhttps://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1884#note_3114334
- security-advisories@githubhttps://securitylab.github.com/advisories/GHSL-2025-042_poppler/
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/10/13/2
Vendor Advisories for CVE-2025-52885(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | poppler-utils (0.86.1-0ubuntu1.7+esm3) @ focal | 2026-06-08 | ubuntu |
| redhat | poppler-main-26.01.0-7.hum1 | 2026-04-10 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| poppler | 20.09.0-3.1, 20.09.0-3.1+deb11u1, 20.09.0-3.1+deb11u2 | 20.09.0-3.1+deb11u3 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| poppler | 22.12.0-2, 22.12.0-2+deb12u1 | 22.12.0-2+deb12u2 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| poppler | 25.03.0-5, 25.03.0-5+deb13u2 | 25.03.0-5+deb13u3 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| poppler | 25.03.0-10 ... 25.03.0-9 (6 versions) | 25.03.0-11.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(1)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 7× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 182 total refreshes for this CVE.
- 2026-09-19 15:42 UTCEPSS rescore
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- 2026-07-14 05:40 UTCOSV refresh
- 2026-07-13 22:29 UTCEPSS rescore
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- 2026-06-26 03:16 UTCOSV refresh
Frequently asked(5)
What is CVE-2025-52885?
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What is the CVSS score of CVE-2025-52885?
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Dependency Blast Radius
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