Amazon Linux 2023 Security Advisory: ALAS2023-2026-1431
Advisory Released Date: 2026-02-18
Advisory Updated Date: 2026-02-18
Severity:
Important
Issue Overview:
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.
The 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. (CVE-2025-15270)
Affected Packages:
fontforge
Issue Correction:
Run dnf update fontforge --releasever 2023.10.20260216 or dnf update --advisory ALAS2023-2026-1431 --releasever 2023.10.20260216 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
fontforge-devel-20201107-3.amzn2023.0.6.aarch64
fontforge-debuginfo-20201107-3.amzn2023.0.6.aarch64
fontforge-debugsource-20201107-3.amzn2023.0.6.aarch64
fontforge-20201107-3.amzn2023.0.6.aarch64
noarch:
fontforge-doc-20201107-3.amzn2023.0.6.noarch
src:
fontforge-20201107-3.amzn2023.0.6.src
x86_64:
fontforge-debuginfo-20201107-3.amzn2023.0.6.x86_64
fontforge-devel-20201107-3.amzn2023.0.6.x86_64
fontforge-debugsource-20201107-3.amzn2023.0.6.x86_64
fontforge-20201107-3.amzn2023.0.6.x86_64