Use After Free in Vim
CVE-2021-3974
vim is vulnerable to Use After Free
Vulnerability class: Use-After-Free
EPSS: 0.013 (66.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Vim
- Vim Vim/vim — versions unspecified
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 34, 35
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@huntr.dev (Exploit, Patch, Third Party Advisory, Issue Tracking)
- security@huntr.dev (Patch, Third Party Advisory)
- security@huntr.dev (vendor-advisory)
- security@huntr.dev (vendor-advisory)
- security@huntr.dev (mailing-list, Mailing List, Third Party Advisory)
- security@huntr.dev (mailing-list, Mailing List, Third Party Advisory)
- security@huntr.dev (vendor-advisory, Third Party Advisory)
- security@huntr.dev (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3974?
- CVE-2021-3974 is a high-severity vulnerability in Vim, classified under Use After Free. CVSS score: 7.8/10. Published 2021-11-19.
- How severe is CVE-2021-3974?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-3974 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.