RHSA-2023:6698 — Security Advisory

Red Hat Security Advisory: ncurses security and bug fix update

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Severity

Moderate

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · November 7, 2023

Updated · June 25, 2026

Topic

An update for ncurses is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The ncurses (new curses) library routines are a terminal-independent method of updating character screens with reasonable optimization. The ncurses packages contain support utilities including a terminfo compiler tic, a decompiler infocmp, clear, tput, tset, and a termcap conversion tool captoinfo.

Security Fix(es):

  • ncurses: Local users can trigger security-relevant memory corruption via malformed data (CVE-2023-29491)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.

Related CVEs

RHSA-2023:6698 — Red Hat Security Advisory: ncurses security and bug fix update | PulseLinux