Vulnerability Description
Vim is an open source, command line text editor. Prior to 9.2.0671, when Vim opens a file encrypted with the VimCrypt~04! or VimCrypt~05! method (xchacha20poly1305, requires the +sodium feature) whose body is shorter than a single libsodium secretstream header, an unsigned length calculation underflows and a subsequent decryption call reads far past the end of the input buffer, crashing Vim. This vulnerability is fixed in 9.2.0671.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vim | Vim | < 9.2.0671 |
Related Weaknesses (CWE)
References
- https://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745fPatch
- https://github.com/vim/vim/releases/tag/v9.2.0671Product
- https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486Vendor Advisory
FAQ
What is CVE-2026-57452?
CVE-2026-57452 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Vim is an open source, command line text editor. Prior to 9.2.0671, when Vim opens a file encrypted with the VimCrypt~04! or VimCrypt~05! method (xchacha20poly1305, requires the +sodium feature) whose...
How severe is CVE-2026-57452?
CVE-2026-57452 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-57452?
Check the references section above for vendor advisories and patch information. Affected products include: Vim Vim.