Out-of-bounds Read in Vim
CVE-2026-57454
Vim is an open source, command line text editor. From 9.2.0320 until 9.2.0679, a crafted undo or swap file can store a virtual-text property whose offset and length point outside the line's property data. When Vim restores or displays such…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (1.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.
Affected products
- Vim — versions >= 9.2.0320, < 9.2.0679
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-57454?
- CVE-2026-57454 is a medium-severity vulnerability in Vim, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-06-25.
- How severe is CVE-2026-57454?
- Medium severity. CVSS v3 base score is 6.1 out of 10.