Libgepub: integer overflow in libgepub’s epub archive handling

CVE Details

Basic Information

Title Libgepub: integer overflow in libgepub’s epub archive handling
Type cve
Published 2025-06-17T14:29:42.228Z
Last Seen

Product Information

Vendor Red Hat
Product Red Hat Enterprise Linux 7
Version

CVSS Information

Base Score 5.5 (MEDIUM)
Attack Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Confidentiality Impact
Integrity Impact
Availability Impact

AI Analysis

AI Description A vulnerability in libgepub allows attackers to cause a denial of service by crashing applications that use the library to process specially crafted EPUB files. This affects software like Tumbler when handling malicious files in directories. While no direct remote attacks are confirmed, any application using libgepub for user-supplied content is at risk.
AI Severity Medium
Vendor GNOME Foundation
Product libgepub
Affected Version

Additional Information

CVE List
CWE List CWE-190
Bulletin Family

Description

A flaw was found in libgepub, a library used to read EPUB files. The software mishandles file size calculations when opening specially crafted EPUB files, leading to incorrect memory allocations. This issue causes the application to crash. Known affected usage includes desktop services like Tumbler, which may process malicious files automatically when browsing directories. While no direct remote attack vectors are confirmed, any application using libgepub to parse user-supplied EPUB content could be vulnerable to a denial of service.

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