QID 239844

Date Published: 2021-11-10

QID 239844: Red Hat Update for ncurses (RHSA-2021:4426)

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)

Affected Products:

  • Red Hat enterprise linux for x86_64 8 x86_64
  • Red Hat enterprise linux for ibm z systems 8 s390x
  • Red Hat enterprise linux for power, little endian 8 ppc64le
  • Red Hat enterprise linux for arm 64 8 aarch64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as Medium - 5.4 severity.
  • CVSS V2 rated as Medium - 5.8 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4426 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239844

    CVE-2019-17594 | CVE-2019-17595 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4426 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4426
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