Buffer overflow in Vim
CVE-2026-45130
Vim is an open source, command line text editor. Prior to version 9.2.0450, a heap buffer overflow exists in read_compound() in src/spellfile.c when loading a crafted spell file (.spl) with UTF-8 encoding active. An attacker-controlled len…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (0.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.
Affected products
- Vim — versions < 9.2.0450
Weakness classification (CWE)
References
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-45130?
- CVE-2026-45130 is a medium-severity vulnerability in Vim, classified under Heap-based Buffer Overflow. CVSS score: 6.6/10. Published 2026-05-08.
- How severe is CVE-2026-45130?
- Medium severity. CVSS v3 base score is 6.6 out of 10.