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    CVE-2020-19190

    Buffer Overflow vulnerability in _nc_find_entry in tinfo/comp_hash.c:70 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

    Published:May 3, 2019
    Last Modified:Oct 14, 2026
    EPS:Aug 22, 2023
    EPSS Score:0.01753
    CVSS Score:6.5

    Affected Products

    Vendor
    Invisible-island
    Product
    Ncurses
    Vendor
    Netapp
    Product
    Active Iq Unified Manager

    Exploits

    https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc6.mdhttps://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc6.md

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    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-2023-29491 (CVSS 7.8) — ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevan…
    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-2020-19186 (CVSS 6.5) — Buffer Overflow vulnerability in _nc_find_entry function in tinfo/comp_hash.c:66 in ncurses 6.1 allows remote …
    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-2020-19188 (CVSS 6.5) — Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1116 in ncurses 6.1 allows remote at…
    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-2020-19185 (CVSS 6.5) — Buffer Overflow vulnerability in one_one_mapping function in progs/dump_entry.c:1373 in ncurses 6.1 allows rem…

    References

    http://seclists.org/fulldisclosure/2023/Dec/10
    http://seclists.org/fulldisclosure/2023/Dec/11
    http://seclists.org/fulldisclosure/2023/Dec/9
    https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc6.md
    https://security.netapp.com/advisory/ntap-20231006-0005/
    https://support.apple.com/kb/HT214036
    https://support.apple.com/kb/HT214037
    https://support.apple.com/kb/HT214038
    http://seclists.org/fulldisclosure/2023/Dec/10
    http://seclists.org/fulldisclosure/2023/Dec/11
    http://seclists.org/fulldisclosure/2023/Dec/9
    https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc6.md
    https://security.netapp.com/advisory/ntap-20231006-0005/
    https://support.apple.com/kb/HT214036
    https://support.apple.com/kb/HT214037
    https://support.apple.com/kb/HT214038
    https://cert-portal.siemens.com/productcert/html/ssa-398330.html

    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