What is CVE-2019-8849?

CVE-2019-8849 is a critical-severity vulnerability in Apple Swiftnio SSL. CVSS score: 9.8/10. Published 2019-12-18.

How severe is CVE-2019-8849?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Apple Swiftnio SSL

CVE-2019-8849

The issue was addressed by signaling that an executable stack is not required. This issue is fixed in SwiftNIO SSL 2.4.1. A SwiftNIO application using TLS may be able to execute arbitrary code.

EPSS: 0.022 (80.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Swiftnio_ssl
Apple Swift-ubuntu — versions unspecified

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-8849?: CVE-2019-8849 is a critical-severity vulnerability in Apple Swiftnio SSL. CVSS score: 9.8/10. Published 2019-12-18.
How severe is CVE-2019-8849?: Critical severity. CVSS v3 base score is 9.8 out of 10.