FontForge SFD File Parsing Use-After-Free 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 validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28564.
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:2039 https://access.redhat.com/errata/RHSA-2026:2039
This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:2232 https://access.redhat.com/errata/RHSA-2026:2232
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:2230 https://access.redhat.com/errata/RHSA-2026:2230
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:2213 https://access.redhat.com/errata/RHSA-2026:2213
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2026:2566 https://access.redhat.com/errata/RHSA-2026:2566