What is CVE-2022-0351?

CVE-2022-0351 is a high-severity vulnerability in Apple macOS, classified under CWE-786. CVSS score: 7.8/10. Published 2022-01-25.

How severe is CVE-2022-0351?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-0351 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Apple macOS

CVE-2022-0351

Access of Memory Location Before Start of Buffer in GitHub repository vim/vim prior to 8.2.

Published 2022-01-25 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.1th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Apple macOS
Vim
Vim Vim/vim — versions unspecified
Debian Linux — versions 9.0, 10.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

huntr.dev/bounties/8b36db58-b65c-4298-be7f-40b9e37fd161 (Exploit, Third Party Advisory)
github.com/vim/vim/commit/fe6fb267e6ee5c5da2f41889e4e0e0ac5bf4b89d (Patch, Third Party Advisory)
lists.debian.org/debian-lts-announce/2022/05/msg00022.html (mailing-list, Mailing List, Third Party Advisory)
security.gentoo.org/glsa/202208-32 (vendor-advisory, Third Party Advisory)
support.apple.com/kb/HT213444 (Vendor Advisory)
support.apple.com/kb/HT213488 (Vendor Advisory)
seclists.org/fulldisclosure/2022/Oct/41 (mailing-list, Mailing List, Third Party Advisory)
seclists.org/fulldisclosure/2022/Oct/28 (mailing-list, Mailing List, Third Party Advisory)
seclists.org/fulldisclosure/2022/Oct/43 (mailing-list, Mailing List, 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-2022-0351?: CVE-2022-0351 is a high-severity vulnerability in Apple macOS, classified under CWE-786. CVSS score: 7.8/10. Published 2022-01-25.
How severe is CVE-2022-0351?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-0351 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.