Improper input validation in Mozilla Firefox

CVE-2015-0799

The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-host field of an Alt-Svc HTTP/2 response header.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (64.3th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-0799?
CVE-2015-0799 is a vulnerability in Mozilla Firefox, classified under Improper Input Validation. Published 2015-04-08.
Is CVE-2015-0799 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.