CVE-2022-25309: GNU Fribidi

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A heap-based buffer overflow flaw was found in the Fribidi package and affects the fribidi_cap_rtl_to_unicode() function of the fribidi-char-sets-cap-rtl.c file. This flaw allows an attacker to pass a specially crafted file to the Fribidi application with the '--caprtl' option, leading to a crash and causing a denial of service.

Affected products

• GNU Fribidi: before 1.0.12 (fixed in 1.0.12)
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2022-09-06. Last modified 2026-06-17.