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    Dashboard / CVE / CVE-2023-29491

    CVE-2023-29491

    ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.

    Published:Apr 12, 2023
    Last Modified:Nov 4, 2025
    EPS:Apr 14, 2023
    EPSS Score:0.00066
    CVSS Score:7.8

    Affected Products

    Vendor
    Gnu
    Product
    Ncurses
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    http://www.openwall.com/lists/oss-security/2023/04/19/11http://www.openwall.com/lists/oss-security/2023/04/19/11

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-69720 (CVSS 7.3) — The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_stri…
    CVE-2025-6141 (CVSS 4.8) — A vulnerability has been found in GNU ncurses up to 6.5-20250322 and classified as problematic. This vulnerabi…
    CVE-2022-29458 (CVSS 7.1) — ncurses 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in t…
    CVE-2021-39537 (CVSS 8.8) — An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overfl…
    CVE-2019-17595 (CVSS 5.4) — There is a heap-based buffer over-read in the fmt_entry function in tinfo/comp_hash.c in the terminfo library …
    CVE-2019-17594 (CVSS 5.3) — There is a heap-based buffer over-read in the _nc_find_entry function in tinfo/comp_hash.c in the terminfo lib…
    CVE-2020-19187 (CVSS 6.5) — Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100 in ncurses 6.1 allows remote at…
    CVE-2020-19190 (CVSS 6.5) — Buffer Overflow vulnerability in _nc_find_entry in tinfo/comp_hash.c:70 in ncurses 6.1 allows remote attackers…
    CVE-2020-19189 (CVSS 6.5) — Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allow…
    CVE-2020-19188 (CVSS 6.5) — Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1116 in ncurses 6.1 allows remote at…

    References

    http://ncurses.scripts.mit.edu/?p=ncurses.git%3Ba=commit%3Bh=eb51b1ea1f75a0ec17c9c5937cb28df1e8eeec56
    http://www.openwall.com/lists/oss-security/2023/04/19/10
    http://www.openwall.com/lists/oss-security/2023/04/19/11
    https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LU4MYMKFEZQ5VSCVLRIZGDQOUW3T44GT/
    https://security.netapp.com/advisory/ntap-20230517-0009/
    https://support.apple.com/kb/HT213843
    https://support.apple.com/kb/HT213844
    https://support.apple.com/kb/HT213845
    https://www.openwall.com/lists/oss-security/2023/04/12/5
    https://www.openwall.com/lists/oss-security/2023/04/13/4
    http://ncurses.scripts.mit.edu/?p=ncurses.git%3Ba=commit%3Bh=eb51b1ea1f75a0ec17c9c5937cb28df1e8eeec56
    http://www.openwall.com/lists/oss-security/2023/04/19/10
    http://www.openwall.com/lists/oss-security/2023/04/19/11
    https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LU4MYMKFEZQ5VSCVLRIZGDQOUW3T44GT/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/LU4MYMKFEZQ5VSCVLRIZGDQOUW3T44GT/
    https://security.netapp.com/advisory/ntap-20230517-0009/
    https://support.apple.com/kb/HT213843
    https://support.apple.com/kb/HT213844
    https://support.apple.com/kb/HT213845
    https://www.openwall.com/lists/oss-security/2023/04/12/5
    https://www.openwall.com/lists/oss-security/2023/04/13/4

    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