What’s Vulnerable › Vulnerabilities

CVE-2022-3491: Heap-based Buffer Overflow in vim/vim

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-12-03 · updated 2026-06-17
• Weakness: CWE-122

Description

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0742.

Affected products

• vim/vim: before 9.0.0742 — fixed in 9.0.0742

How to fix

Upgrade to a fixed version: vim/vim 9.0.0742. Check the vendor advisory for mitigations.

References

• https://github.com/vim/vim/commit/3558afe9e9e904cabb8475392d859f2d2fc21041
• https://huntr.dev/bounties/6e6e05c2-2cf7-4aa5-a817-a62007bf92cb
• https://security.gentoo.org/glsa/202305-16
• https://github.com/vim/vim/commit/3558afe9e9e904cabb8475392d859f2d2fc21041
• https://huntr.dev/bounties/6e6e05c2-2cf7-4aa5-a817-a62007bf92cb
• https://security.gentoo.org/glsa/202305-16

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