Out-of-bounds Read in Apple macOS
CVE-2021-4193
vim is vulnerable to Out-of-bounds Read
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: -0.000
Affected products
- Apple macOS — versions 10.15.7
- Apple Mac OS X — versions 10.15.7
- 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/92c1940d-8154-473f-84ce-0de43b0c2eb0 (Exploit, Patch, Third Party Advisory)
- github.com/vim/vim/commit/94f3192b03ed27474db80b4d3a409e107140738b (Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/01/15/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2022/03/msg00018.html (mailing-list, Mailing List, Third Party Advisory)
- support.apple.com/kb/HT213183 (Third Party Advisory, Release Notes)
- seclists.org/fulldisclosure/2022/Mar/29 (mailing-list, Mailing List, Third Party Advisory)
- support.apple.com/kb/HT213256 (Third Party Advisory)
- seclists.org/fulldisclosure/2022/May/35 (mailing-list, Mailing List, Third Party Advisory)
- support.apple.com/kb/HT213343 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-4193?
- CVE-2021-4193 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2021-12-31.
- How severe is CVE-2021-4193?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-4193 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.