🛡️ CVE-2022-29458 — debian-linux

🟠 CVSS 7.1 — High ⚠️ Exploit Public CWE-125 NVD
7.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

ncurses 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in tinfo/read_entry.c in the terminfo library.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability high.

Weakness class

CVE-2022-29458 is classified as CWE-125: Out-of-bounds Read. The code reads past the limits of a buffer, exposing adjacent memory contents or crashing the process.

Affected software

CVE-2022-29458 is recorded against 3 packages.

  • debian-linux
  • macos (fixed in 13.0)
  • ncurses

Timeline and source

Published on 18 April 2022 and last revised on 27 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

seclists.org
seclists.org
lists.debian.org
lists.gnu.org
lists.gnu.org
support.apple.com
seclists.org
seclists.org
lists.debian.org
lists.gnu.org
lists.gnu.org
support.apple.com

CVE-2022-29458 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 7.1
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CWE CWE-125
Public Exploit ⚠️ Yes
Source NVD
Published 2022-04-18
Updated 2026-08-11
Modified 2026-07-27
Fix URL N/A

Affected Packages

Software From version Fixed in
debian-linux — —
macos — 13.0
ncurses — —

References

Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/41
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2022/Oct/41

Similar Threats

Exploit Protection

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