CVE-2026-118384

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{"bugzilla": {"description": "mtools: mtools: Denial of Service via out-of-bounds write in VFAT parsing", "id": "2562560", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2562560"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["GNU mtools through 4.0.49 has an out-of-bounds write in parse_vses in vfat.c.", "A flaw was found in mtools. This out-of-bounds write vulnerability allows an attacker to cause a Denial of Service (DoS) or corrupt memory. By tricking a user into processing a specially crafted disk image containing malformed VFAT directory entries, the application writes beyond allocated buffer boundaries, resulting in an application crash."], "name": "CVE-2026-118384", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "mtools", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "mtools", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "mtools", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "mtools", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "mtools", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-28T02:53:38Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-118384\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-118384\nhttps://ftp.gnu.org/gnu/mtools/mtools-4.0.49.tar.gz\nhttps://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L444-L445\nhttps://lists.gnu.org/archive/html/info-gnu/2025-06/msg00004.html"], "threat_severity": "Moderate"}

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