Information disclosure in Apple Safari

CVE-2016-7152

The HTTPS protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.

Vulnerability class: Information Disclosure

EPSS: 0.140 (96.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-7152?
CVE-2016-7152 is a medium-severity vulnerability in Apple Safari, classified under Information Disclosure. CVSS score: 5.3/10. Published 2016-09-06.
How severe is CVE-2016-7152?
Medium severity. CVSS v3 base score is 5.3 out of 10.