Vulnerability in Apple macOS

CVE-2022-27536

Certificate.Verify in crypto/x509 in Go 1.18.x before 1.18.1 can be caused to panic on macOS when presented with certain malformed certificates. This allows a remote TLS server to cause a TLS client to panic.

Vulnerability class: Improper Certificate Validation

EPSS: 0.014 (70.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-27536?
CVE-2022-27536 is a high-severity vulnerability in Apple macOS, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2022-04-20.
How severe is CVE-2022-27536?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-27536 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.