Buffer overflow in Vim
CVE-2021-3984
vim is vulnerable to Heap-based Buffer Overflow
Vulnerability class: Buffer Overflow
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: 0.016 (74.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.016 · change: +0.001
Affected products
- Vim
- Vim Vim/vim — versions unspecified
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- huntr.dev/bounties/b114b5a2-18e2-49f0-b350-15994d71426a (Exploit, Patch, Third Party Advisory)
- github.com/vim/vim/commit/2de9b7c7c8791da8853a9a7ca9c467867465b655 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.openwall.com/lists/oss-security/2022/01/15/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/03/msg00018.html (mailing-list, Third Party Advisory, Mitigation)
- security.gentoo.org/glsa/202208-32 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/11/msg00009.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3984?
- CVE-2021-3984 is a high-severity vulnerability in Vim, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-12-01.
- How severe is CVE-2021-3984?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-3984 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.