PatchTheCVECVE-2026-45130: Vim is an open source, command line text editor
CVE-2026-45130 is a medium-severity flaw (CVSS 6.6) affecting neovim, vim. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 length field in the spell file's compound section overflows a 32-bit signed integer multiplication, causing a small buffer to be allocated for a write loop that runs many iterations, overflowing the heap. Because t
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-45130?
neovim: upgrade to newer than 0.12.2; vim: upgrade to 9.2.0450. Exact commands for each OS are on this page.
Is CVE-2026-45130 being exploited?
CVE-2026-45130 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-45130 affect?
CVE-2026-45130 affects neovim, vim. Severity is medium (CVSS 6.6). 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 leng
How urgent is CVE-2026-45130?
Priority 32/100. Public exploit reference