What’s Vulnerable › Vulnerabilities
CVE-2023-1175: Incorrect Calculation of Buffer Size in vim/vim
- Severity: medium (CVSS 6.6 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: 2023-03-04 · updated 2026-09-18
- Weakness: CWE-131
Description
Incorrect Calculation of Buffer Size in GitHub repository vim/vim prior to 9.0.1378.
Affected products
- Debian Linux: 10.0, 11.0
- Fedoraproject Fedora: 36, 37, 38
- Neovim: through 0.8.3
- vim/vim: before 9.0.1378 — fixed in 9.0.1378
How to fix
Upgrade to a fixed version: vim/vim 9.0.1378. Check the vendor advisory for mitigations.
References
- https://github.com/vim/vim/commit/c99cbf8f289bdda5d4a77d7ec415850a520330ba
- https://huntr.dev/bounties/7e93fc17-92eb-4ae7-b01a-93bb460b643e
- https://lists.debian.org/debian-lts-announce/2023/06/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DIAKPMKJ4OZ6NYRZJO7YWMNQL2BICLYV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IE44W6WMMREYCW3GJHPSYP7NK2VT5NY6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4KDAU76Z7QNSPKZX2JAJ6O7KIEOXWTL/
- https://github.com/vim/vim/commit/c99cbf8f289bdda5d4a77d7ec415850a520330ba
- https://huntr.dev/bounties/7e93fc17-92eb-4ae7-b01a-93bb460b643e
- https://lists.debian.org/debian-lts-announce/2023/06/msg00015.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DIAKPMKJ4OZ6NYRZJO7YWMNQL2BICLYV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IE44W6WMMREYCW3GJHPSYP7NK2VT5NY6/
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