In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.

Attack Vector Local

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00021.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Xpdf Xpdf unaffected
Version Status Constraints
0 affected ≤ 4.05

No data.

No data.

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Vendors Products
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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.xpdfreader.com/security-bug/object-loops.html cve-icon cve-icon
History

Mon, 20 Oct 2025 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Xpdf
Xpdf xpdf
Vendors & Products Xpdf
Xpdf xpdf

Fri, 17 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 16 Oct 2025 22:15:00 +0000

Type Values Removed Values Added
Description In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.
Title Stack overflow in Xpdf 4.05 due to object loop in PDF CMap
Weaknesses CWE-674
References
Metrics cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GandC

Published:

Updated: 2025-10-17T13:49:40.937Z

Reserved: 2025-10-16T21:30:58.615Z

Link: CVE-2025-11896

cve-icon Vulnrichment

Updated: 2025-10-17T13:49:33.207Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-16T22:15:30.517

Modified: 2025-10-21T19:31:50.020

Link: CVE-2025-11896

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-20T13:25:00Z

Weaknesses