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CVE-2025-52885— GHSL-2025-042: Poppler has Use-After-Free

Quick assessment

Affected
poppler poppler
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Poppler是Poppler开源的一个PDF渲染库。 Poppler 25.10.0之前版本存在资源管理错误漏洞，该漏洞源于StructTreeRoot类中使用原始指针指向std::vector元素，可能导致释放后重用。

AI Predicted 8.1 Difficulty: Easy EPSS 0.17% · P6
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I. Basic Information for CVE-2025-52885

Vulnerability Information
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Vulnerability Title
GHSL-2025-042: Poppler has Use-After-Free
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Poppler 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Poppler是Poppler开源的一个PDF渲染库。 Poppler 25.10.0之前版本存在资源管理错误漏洞，该漏洞源于StructTreeRoot类中使用原始指针指向std::vector元素，可能导致释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
poppler poppler < 25.10.0 -

II. Public POCs for CVE-2025-52885

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III. Intelligence Information for CVE-2025-52885

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Vendor Advisories for CVE-2025-52885 (1)

IV. Related Vulnerabilities

Same product: poppler
Same vendor: poppler
Same weakness: CWE-416

V. Comments for CVE-2025-52885

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