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{"bugzilla": {"description": "fontforge: FontForge: Remote Code Execution via malicious SFD file parsing", "id": "2426434", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426434"}, "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-28563.", "A flaw was found in FontForge. This vulnerability allows a remote attacker to execute arbitrary code by tricking a user into opening a specially crafted SFD (Spline Font Database) file. The issue stems from improper validation of array indexes during SFD file parsing, which can lead to writing data beyond the allocated memory boundary. Successful exploitation results in arbitrary code execution in the context of the current user."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should avoid opening untrusted SFD (Spline Font Database) files with FontForge. If FontForge is not required, consider removing the `fontforge` package to eliminate the attack surface.\nTo remove the package on Red Hat Enterprise Linux:\n`sudo yum remove fontforge` (for RHEL 6/7)\n`sudo dnf remove fontforge` (for RHEL 8/9/10 and Fedora)\nRemoving this package may impact functionality that relies on FontForge."}, "name": "CVE-2025-15270", "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": "2025-12-31T06:58:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-15270\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-15270\nhttps://www.zerodayinitiative.com/advisories/ZDI-25-1194/"], "statement": "This vulnerability is rated Critical for Red Hat products as it allows remote code execution in FontForge. Exploitation requires user interaction, where a target must open a specially crafted SFD file. This affects systems where FontForge is installed and used to process untrusted font files.", "threat_severity": "Important"}