FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue. https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-99cm-4gw7-c8jh
Created freerdp tracking bugs for this issue: Affects: fedora-35 [bug 2143655] Affects: fedora-36 [bug 2143656] Affects: fedora-37 [bug 2143657] Created freerdp1.2 tracking bugs for this issue: Affects: epel-7 [bug 2143654]
Upstream Commit: https://github.com/FreeRDP/FreeRDP/commit/e865c24efc40ebc52e75979c94cdd4ee2c1495b0
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:2326 https://access.redhat.com/errata/RHSA-2023:2326
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:2851 https://access.redhat.com/errata/RHSA-2023:2851
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2022-39317