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CVE-2012-3696

17
FAUCET Score

CVE-2012-3696 describes a CRLF injection vulnerability in Apple Safari's WebKit engine, affecting versions prior to 6.0. This flaw allows remote attackers to inject arbitrary HTTP headers and perform HTTP request splitting attacks through specially crafted websites that exploit improper WebSockets URI handling. With a CVSS score of 4.3, it is a medium-severity vulnerability requiring medium attack complexity and leading to partial integrity impact, but it is not known to be actively exploited, lacks public exploit code, and has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.1.7CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:1.0:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:1.0:beta:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:1.0:beta2:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:1.0.0:*:*:*:*:*:*:*

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
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 13th percentile among its peer group of 19,956 CVEs.

Social Chatter

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

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2012/Jul/msg00000.html
Vendor Advisory
lists.apple.com / archives/security-announce/2012/Sep/msg00003.html
support.apple.com / kb/HT5400
Vendor Advisory
support.apple.com / kb/HT5503
securityfocus.com / bid/54700