CVE-2015-1269
MEDIUMEPSS 75th pctlDescription
The DecodeHSTSPreloadRaw function in net/http/transport_security_state.cc in Google Chrome before 43.0.2357.130 does not properly canonicalize DNS hostnames before making comparisons to HSTS or HPKP preload entries, which allows remote attackers to bypass intended access restrictions via a string that (1) ends in a . (dot) character or (2) is not entirely lowercase.
How to fix
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
Elevated risk: more likely to be exploited than 75% of all known CVEs.
References
Related Vulnerabilities
Other CWE-254 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2016-0161 | Medium | 6.5 | 69% | - | - |
| CVE-2016-2296 | Critical | 9.4 | 64% | - | - |
| CVE-2015-1793 | Medium | 6.5 | 62% | - | Fix |
| CVE-2016-2118 | High | 7.5 | 37% | - | Fix |
| CVE-2016-3238 | High | 8.1 | 35% | - | - |
| CVE-2016-3198 | Medium | 6.5 | 32% | - | - |
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Start freeThis 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.