Buffer overflow in Neovim
CVE-2025-22134
When switching to other buffers using the :all command and visual mode still being active, this may cause a heap-buffer overflow, because Vim does not properly end visual mode and therefore may try to access beyond the end of a line in a b…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (28.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Neovim
- Netapp Bootstrap_os
- Netapp Hci_compute_node
- Vim — versions < v9.1.1003
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-22134?
- CVE-2025-22134 is a medium-severity vulnerability in Neovim, classified under Heap-based Buffer Overflow. CVSS score: 4.2/10. Published 2025-01-13.
- How severe is CVE-2025-22134?
- Medium severity. CVSS v3 base score is 4.2 out of 10.
- Is CVE-2025-22134 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.