What’s Vulnerable › Vulnerabilities
CVE-2023-2426: Use of Out-of-range Pointer Offset in vim/vim
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-04-29 · updated 2026-09-24
- Weakness: CWE-823
Description
Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to 9.0.1499.
Affected products
- Apple macOS: 11.7.9, 12.6.8
- Fedoraproject Fedora: 37, 38
- Neovim: from 0.7.0 before 0.10.0 — fixed in 0.10.0
- vim/vim: before 9.0.1499 — fixed in 9.0.1499
How to fix
Upgrade to a fixed version: Neovim 0.10.0; vim/vim 9.0.1499. Check the vendor advisory for mitigations.
References
- https://github.com/vim/vim/commit/caf642c25de526229264cab9425e7c9979f3509b
- https://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LOJP6M7ZTKZQYOGVOOAY6TIE6ACBJL55/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PCLJN4QINITA3ZASKLEJ64C5TFNKELMO/
- https://support.apple.com/kb/HT213844
- https://support.apple.com/kb/HT213845
- https://github.com/vim/vim/commit/caf642c25de526229264cab9425e7c9979f3509b
- https://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LOJP6M7ZTKZQYOGVOOAY6TIE6ACBJL55/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PCLJN4QINITA3ZASKLEJ64C5TFNKELMO/
- https://support.apple.com/kb/HT213844
- https://support.apple.com/kb/HT213845
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