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{"acknowledgement": "Red Hat would like to thank Mohammad Hussam Alzeyyat - mhzcyber for reporting this issue.", "bugzilla": {"description": "libgepub: Integer Overflow in libgepub's EPUB Archive Handling", "id": "2373117", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373117"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["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.", "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."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to a widespread installation base, or stability. It is strongly recommended to apply the upstream patch once available."}, "name": "CVE-2025-6196", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libgepub", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2025-06-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-6196\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-6196\nhttps://gitlab.gnome.org/GNOME/libgepub/-/issues/18"], "statement": "The Red Hat Product Security team has rated this vulnerability as Moderate. It is caused by an integer overflow in libgepub when handling crafted EPUB files, leading to excessive memory allocation and application crashes. The flaw requires user interaction, such as opening or previewing a malicious file. No remote or unauthenticated exploitation vectors are currently known.", "threat_severity": "Moderate"}