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    CVE-2026-73070

    Vim is an open source, command line text editor. Prior to 9.2.0842, the socket server backend in src/socketserver.c accepts unbounded client connections in socketserver_accept(), causing descriptors to overflow fd_set structures in src/channel.c and fixed-size struct pollfd arrays in src/os_unix.c, which allows a local process that can connect to the server socket to corrupt stack memory or terminate the Vim server. This issue is fixed in version 9.2.0842.

    Published:Aug 11, 2026
    Last Modified:Aug 11, 2026
    EPS:Aug 11, 2026
    EPSS Score:
    CVSS Score:6.8

    Affected Products

    Vendor
    Vim
    Product
    Vim

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-73077 (CVSS 8.4) — Vim is an open source, command line text editor. Prior to 9.2.0839, the runtime/ftplugin/sh.vim, runtime/ftplu…
    CVE-2026-73076 (CVSS 8.4) — Vim is an open source, command line text editor. Prior to 9.2.0847, runtime/autoload/vimball.vim allows a craf…
    CVE-2026-73075 (CVSS 4.6) — Vim is an open source, command line text editor. From 9.2.0469 until 9.2.0843, popup_mark_opacity_zindex() in …
    CVE-2026-73074 (CVSS 7.1) — Vim is an open source, command line text editor. Prior to 9.2.0841, prop_add_one() in src/textprop.c uses the …
    CVE-2026-73072 (CVSS 8.5) — Vim is an open source, command line text editor. Prior to 9.2.0846, set_sofo() in src/spellfile.c reuses sl_sa…
    CVE-2026-73071 (CVSS 3.3) — Vim is an open source, command line text editor. From 9.2.0511 until 9.2.0844, json_decode_item() in src/json.…
    CVE-2026-51400 (CVSS 8.4) — An issue in Vim Project v9.2.0389 and earlier allows a local attacker to execute arbitrary code via the vms_fi…

    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