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CVE-2012-3591

27
FAUCET Score

CVE-2012-3591 describes a critical memory corruption vulnerability in WebKit, specifically affecting Apple Safari before version 6.0. This flaw allows remote attackers to execute arbitrary code or trigger a denial of service by enticing users to visit a specially crafted website. With a CVSS score of 9.3, this vulnerability is highly severe, indicating a network-based attack with medium complexity that could lead to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it has received negligible community discussion or media coverage, suggesting it is not actively exploited in the wild.

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

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.73%
Probability of exploitation in next 30 days
EPSS Percentile
88.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0373 is in the 49th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.1 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/msg00001.html
lists.apple.com / archives/security-announce/2012/Sep/msg00003.html
support.apple.com / kb/HT5400
Vendor Advisory
support.apple.com / kb/HT5485
support.apple.com / kb/HT5503