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    CVE-2023-26917

    libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lysp_stmt_validate_value at lys_parse_mem.c.

    Published:Apr 11, 2023
    Last Modified:Feb 11, 2025
    EPS:Apr 11, 2023
    EPSS Score:0.00119
    CVSS Score:7.5

    Affected Products

    Vendor
    Cesnet
    Product
    Libyang

    Exploits

    https://github.com/CESNET/libyang/issues/1987https://github.com/CESNET/libyang/issues/1987

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2023-26916 (CVSS 5.3) — libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_par…
    CVE-2021-28906 (CVSS 7.5) — In function read_yin_leaf() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NU…
    CVE-2021-28902 (CVSS 7.5) — In function read_yin_container() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] …
    CVE-2021-28903 (CVSS 7.5) — A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxm…
    CVE-2021-28905 (CVSS 7.5) — In function lys_node_free() in libyang <= v1.0.225, it asserts that the value of node->module can't be NULL. B…
    CVE-2021-28904 (CVSS 7.5) — In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. I…
    CVE-2019-19333 (CVSS 9.8) — In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang pars…
    CVE-2019-19334 (CVSS 9.8) — In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang pars…

    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