chromium-browser: Normalization error in HSTS/HPKP preload list
Published Jun 26, 2015
4.3
MEDIUMCVSS 2.0
EPSS 1.76%
Description
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.
Affected products
No data.
No data.
Supplementary for Red Hat Enterprise Linux 6
chromium-browser-0:43.0.2357.130-1.el6_6
Fixed · RHSA-2015:1188
| Product | Package | State | Advisory |
|---|---|---|---|
| Supplementary for Red Hat Enterprise Linux 6 | chromium-browser-0:43.0.2357.130-1.el6_6 | Fixed | RHSA-2015:1188 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.76% (0.01758) | 77.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.76% (0.01758) | 74.97th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.67% (0.00666) | 69.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.63% (0.00625) | 79.64th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.63% (0.00625) | 78.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00625) | 75.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
References (16)
- http://googlechromereleases.blogspot.com/2015/06/chrome-stable-update.html x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00057.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00012.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2015-1188.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2015/dsa-3315 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/75336 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1032731 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2652-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-1269 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1234699 Issue Tracking
- https://code.google.com/p/chromium/issues/detail?id=461481 x_refsource_CONFIRM
- https://codereview.chromium.org/1149753002 x_refsource_CONFIRM
- https://googlechromereleases.blogspot.com/2015/06/chrome-stable-update.html
- https://nvd.nist.gov/vuln/detail/CVE-2015-1269
- https://security.gentoo.org/glsa/201507-18 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-1269
Change history (0)
No recorded changes yet.