Buffer overflow in Vim
CVE-2021-3875
vim is vulnerable to Heap-based Buffer Overflow
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (74.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.1% 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: 0.015 · change: 0.000
Affected products
- Vim
- Vim Vim/vim — versions unspecified
- Fedoraproject Fedora — versions 33, 35
Weakness classification (CWE)
Public proof-of-concept exploits
References
- huntr.dev/bounties/5cdbc168-6ba1-4bc2-ba6c-28be12166a53 (Exploit, Third Party Advisory)
- github.com/vim/vim/commit/35a319b77f897744eec1155b736e9372c9c5575f (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-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)
- security.gentoo.org/glsa/202208-32 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3875?
- CVE-2021-3875 is a medium-severity vulnerability in Vim, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2021-10-15.
- How severe is CVE-2021-3875?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-3875 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.