What’s Vulnerable › Vulnerabilities
CVE-2023-5344: Heap-based Buffer Overflow in vim/vim
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.3% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-10-02 · updated 2026-06-17
- Weakness: CWE-122
Description
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1969.
Affected products
- Fedoraproject Fedora: 37, 38
- vim/vim: before 9.0.1969 — fixed in 9.0.1969
How to fix
Upgrade to a fixed version: vim/vim 9.0.1969. Check the vendor advisory for mitigations.
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/vim/vim/commit/3bd7fa12e146c6051490d048a4acbfba974eeb04
- https://huntr.dev/bounties/530cb762-899e-48d7-b50e-dad09eb775bf
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4W665GQBN6S6ZDMYWVF4X7KMFI7AQKJL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XPT7NMYJRLBPIALGSE24UWTY6F774GZW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZOXBUJLJ5VSPN3YXWN7XZA4JDYKNE7GZ/
- 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
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