CVE Database›CVE-2022-25309

CVE-2022-25309

fribidi: Heap-buffer-overflow in fribidi_cap_rtl_to_unicode

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · December 22, 2021

Updated · November 22, 2025

Description

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.

Statement

Red Hat Product Security has rated this issue as having a Moderate security impact, and since Red Hat Enterprise Linux 7 is Out-of-Support-Scope, the issue is not currently planned to be addressed in future updates. Only Important and Critical severity flaws will be addressed at this time.

For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/ and Red Hat Enterprise Linux Life Cycle & Updates Policy: https://access.redhat.com/support/policy/updates/errata/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H

CWE-122 · Heap-based Buffer Overflow