Use After Free in Vim
CVE-2025-55157
Vim is an open source, command line text editor. In versions from 9.1.1231 to before 9.1.1400, When processing nested tuples in Vim script, an error during evaluation can trigger a use-after-free in Vim’s internal tuple reference managemen…
Vulnerability class: Use-After-Free
EPSS: 0.003 (23.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Vim — versions >= 9.1.1231, < 9.1.1400
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 (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-55157?
- CVE-2025-55157 is a high-severity vulnerability in Vim, classified under Use After Free. CVSS score: 8.8/10. Published 2025-08-11.
- How severe is CVE-2025-55157?
- High severity. CVSS v3 base score is 8.8 out of 10.