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    CVE-2021-4173

    vim is vulnerable to Use After Free

    Published:Dec 27, 2021
    Last Modified:Nov 3, 2025
    EPS:Dec 27, 2021
    EPSS Score:0.00181
    CVSS Score:7.8

    Affected Products

    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Macos
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Vim
    Product
    Vim

    Exploits

    https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2024-41868 (CVSS 5.5) — Audition versions 24.4.1, 23.6.6 and earlier are affected by an out-of-bounds read vulnerability that could le…
    CVE-2024-39378 (CVSS 7.8) — Audition versions 24.4.1, 23.6.6 and earlier are affected by an out-of-bounds write vulnerability that could r…
    CVE-2021-3187 (CVSS 8.8) — An issue was discovered in BeyondTrust Privilege Management for Mac before 5.7. An authenticated, unprivileged…
    CVE-2023-34045 (CVSS 6.6) — VMware Fusion(13.x prior to 13.5) contains a local privilege escalation vulnerability that occurs during inst…
    CVE-2023-34046 (CVSS 6.7) — VMware Fusion(13.x prior to 13.5) contains a TOCTOU (Time-of-check Time-of-use) vulnerability that occurs dur…
    CVE-2023-34044 (CVSS 7.1) — VMware Workstation( 17.x prior to 17.5) and Fusion(13.x prior to 13.5) contain an out-of-bounds read vulnerab…
    CVE-2022-46706 (CVSS 7.8) — A type confusion issue was addressed with improved state handling. This issue is fixed in Security Update 2022…
    CVE-2022-22630 (CVSS 9.8) — A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.…
    CVE-2023-1763 (CVSS 6.5) — Canon IJ Network Tool/Ver.4.7.5 and earlier (supported OS: OS X 10.9.5-macOS 13),IJ Network Tool/Ver.4.7.3 and…
    CVE-2023-1764 (CVSS 6.5) — Canon IJ Network Tool/Ver.4.7.5 and earlier (supported OS: OS X 10.9.5-macOS 13),IJ Network Tool/Ver.4.7.3 and…

    References

    http://seclists.org/fulldisclosure/2022/Jul/14
    http://seclists.org/fulldisclosure/2022/Mar/29
    http://seclists.org/fulldisclosure/2022/May/35
    http://www.openwall.com/lists/oss-security/2022/01/15/1
    https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04
    https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
    https://security.gentoo.org/glsa/202208-32
    https://support.apple.com/kb/HT213183
    https://support.apple.com/kb/HT213256
    https://support.apple.com/kb/HT213343
    http://seclists.org/fulldisclosure/2022/Jul/14
    http://seclists.org/fulldisclosure/2022/Mar/29
    http://seclists.org/fulldisclosure/2022/May/35
    http://www.openwall.com/lists/oss-security/2022/01/15/1
    https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04
    https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766
    https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
    https://security.gentoo.org/glsa/202208-32
    https://support.apple.com/kb/HT213183
    https://support.apple.com/kb/HT213256
    https://support.apple.com/kb/HT213343

    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