CVE & CISA-KEV Catalog

CVE-2015-0832

MEDIUM
5.0
CVSS v2
NVD

Description

Mozilla Firefox before 36.0 does not properly recognize the equivalence of domain names with and without a trailing . (dot) character, which allows man-in-the-middle attackers to bypass the HPKP and HSTS protection mechanisms by constructing a URL with this character and leveraging access to an X.509 certificate for a domain with this character.

How to fix

Remediation Available
firefoxUbuntu
Fixed in:36.0+build2-0ubuntu0.14.04.4USN-2505-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.05%probability of exploitation in 30 days
60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Related Vulnerabilities

Other CWE-254 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2016-0161Medium6.569%--
CVE-2016-2296Critical9.464%--
CVE-2015-1793Medium6.562%-Fix
CVE-2016-2118High7.537%-Fix
CVE-2016-3238High8.135%--
CVE-2016-3198Medium6.532%--
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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.