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{"bugzilla": {"description": "fontforge: FontForge: Remote Code Execution via SFD file parsing vulnerability", "id": "2426422", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426422"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-129", "details": ["FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\nThe specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated array. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28562.", "A flaw was found in FontForge. This vulnerability allows a remote attacker to execute arbitrary code on affected installations. Exploitation requires user interaction, such as opening a malicious SFD (Spline Font Database) file. The issue arises from improper validation of user-supplied data during SFD file parsing, which can lead to a write past the end of an allocated memory array, enabling arbitrary code execution in the context of the current user."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should exercise caution when handling SFD (Spline Font Database) files from untrusted sources. Avoid opening SFD files from unknown or suspicious origins. If FontForge is not actively used, consider removing the `fontforge` package to eliminate the attack surface. This can be done using `sudo dnf remove fontforge` on Red Hat Enterprise Linux 8, 9, 10, and Fedora, or `sudo yum remove fontforge` on Red Hat Enterprise Linux 6 ELS and 7 ELS. Removing this package will remove FontForge functionality."}, "name": "CVE-2025-15271", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "fontforge", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "fontforge", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "fontforge", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "fontforge", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "fontforge", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-31T06:58:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-15271\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-15271\nhttps://www.zerodayinitiative.com/advisories/ZDI-25-1193/"], "statement": "This vulnerability is rated Important for Red Hat products as it allows for remote code execution in FontForge. Exploitation requires user interaction, specifically opening a specially crafted SFD file. This affects FontForge as shipped in Red Hat Enterprise Linux 6 ELS, 7 ELS, 8, 9, 10, Fedora, and Red Hat In-Vehicle OS.", "threat_severity": "Important"}

{"created": "2026-01-05T10:17:55.705768+00:00", "updated": "2026-01-05T10:17:55.705802+00:00", "vendors": ["fontforge", "fontforge$PRODUCT$fontforge"]}