CVE-2023-40305

indent: heap-based buffer overflow in search_brace() in indent.c

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 2, 2023

Updated · November 22, 2025

Description

A flaw was found in indent, a program for formatting C code. This flaw allows an attacker who can trick a user into processing a specially crafted file to trigger a heap-based buffer overflow, causing the application to crash.

Statement

The indent program is not distributed in Red Hat Enterprise Linux 8 and 9. Therefore, these Red Hat Enterprise Linux versions are not affected.

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

Do not process untrusted files with the indent program.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-122 · Heap-based Buffer Overflow