Use After Free in Neovim
CVE-2022-3256
Use After Free in GitHub repository vim/vim prior to 9.0.0530.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Neovim
- Vim
- Vim Vim/vim — versions unspecified
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- huntr.dev/bounties/8336a3df-212a-4f8d-ae34-76ef1f936bb3 (Exploit, Third Party Advisory)
- github.com/vim/vim/commit/8ecfa2c56b4992c7f067b92488aa9acea5a454ad (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/11/msg00032.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202305-16 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-3256?
- CVE-2022-3256 is a high-severity vulnerability in Neovim, classified under Use After Free. CVSS score: 7.8/10. Published 2022-09-22.
- How severe is CVE-2022-3256?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-3256 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.