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CVE-2015-1269

14
FAUCET Score

CVE-2015-1269 describes a vulnerability in Google Chrome's HSTS and HPKP preload entry handling. The DecodeHSTSPreloadRaw function failed to properly canonicalize DNS hostnames, allowing attackers to bypass security restrictions by manipulating hostname strings with trailing dots or incorrect casing. This medium-complexity vulnerability (CVSS 4.3) could lead to information disclosure (integrity impact) but has no known active exploitation, publicly available exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 43.0.2357.81CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.76%
Probability of exploitation in next 30 days
EPSS Percentile
75.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0176 is in the 54th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: chromium-browser-0:43.0.2357.130-1.el6_6
View patch

Vendor Advisories (1)

redhatCVE-2015-1269Moderate

chromium-browser: Normalization error in HSTS/HPKP preload list

Jun 22, 2015

References

googlechromereleases.blogspot.com / 2015/06/chrome-stable-update.html
lists.opensuse.org / opensuse-updates/2015-06/msg00057.html
lists.opensuse.org / opensuse-updates/2015-11/msg00012.html
rhn.redhat.com / errata/RHSA-2015-1188.html
code.google.com / p/chromium/issues/detail
codereview.chromium.org / 1149753002
security.gentoo.org / glsa/201507-18
debian.org / security/2015/dsa-3315
securityfocus.com / bid/75336
securitytracker.com / id/1032731
ubuntu.com / usn/USN-2652-1