Vulnerability · Published Jun 25, 2026 · Assigned by GitHub_M
CVE-2026-57452Vim: Out-of-bounds Read with libsodium-encrypted Files
Medium 5.5
In plain English
A medium-severity out-of-bounds read in vim from vim. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | vim | 9.2.0854-r0 | ALPINE-CVE-2026-57452 |
| Alpine:v3.24 | vim | 9.2.0677-r0 | ALPINE-CVE-2026-57452 |
| Debian:12 | vim | no fix listed | DEBIAN-CVE-2026-57452 |
| Debian:13 | vim | 2:9.1.1230-2+deb13u1 | DEBIAN-CVE-2026-57452 |
| Debian:14 | vim | 2:9.2.0782-1 | DEBIAN-CVE-2026-57452 |
| Ubuntu:22.04:LTS | vim | 2:8.2.3995-1ubuntu2.33 | UBUNTU-CVE-2026-57452 |
| Ubuntu:22.04:LTS | vim | 2:8.2.3995-1ubuntu2.33 | USN-8500-1 |
| Ubuntu:24.04:LTS | vim | 2:9.1.0016-1ubuntu7.17 | USN-8500-1 |
| Ubuntu:24.04:LTS | vim | 2:9.1.0016-1ubuntu7.17 | UBUNTU-CVE-2026-57452 |
| Ubuntu:25.10 | vim | 2:9.1.0967-1ubuntu6.8 | USN-8500-1 |
| Ubuntu:25.10 | vim | 2:9.1.0967-1ubuntu6.8 | UBUNTU-CVE-2026-57452 |
| Ubuntu:26.04:LTS | vim | 2:9.1.2141-1ubuntu4.6 | USN-8500-1 |
| Ubuntu:26.04:LTS | vim | 2:9.1.2141-1ubuntu4.6 | UBUNTU-CVE-2026-57452 |
Affected products (as reported)
Weakness: CWE-125, CWE-191 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486 x_refsource_CONFIRM
- https://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745f x_refsource_MISC
- https://github.com/vim/vim/releases/tag/v9.2.0671 x_refsource_MISC