RLSA-2021:4426

    Dashboard / Vulnerabilities / RLSA-2021:4426

    RLSA-2021:4426

    Published: 9 Nov 2021Last Modified: 4 Feb 2026

    Summary: Moderate: ncurses security update

    Details: 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: heap-based buffer overflow in the _nc_find_entry function in tinfo/comp_hash.c (CVE-2019-17594) * ncurses: heap-based buffer overflow in the fmt_entry function in tinfo/comp_hash.c (CVE-2019-17595) 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 Rocky Linux 8.5 Release Notes linked from the References section.

    References: https://errata.rockylinux.org/RLSA-2021:4426, https://bugzilla.redhat.com/show_bug.cgi?id=1766617, https://bugzilla.redhat.com/show_bug.cgi?id=1766745

    Affected packages

    Package

    Name: ncurses

    Purl: pkg:rpm/rocky-linux/ncurses?distro=rocky-linux-8&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:6.1-9.20180224.el8

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RLSA-2021:4426 | CVE-DB