Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-0233

28
FAUCET Score

CVE-2011-0233 is a critical memory corruption vulnerability in WebKit, affecting Apple Safari versions prior to 5.0.6. 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, it presents a high-severity risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. While no public exploit intelligence or active exploitation has been observed, and community discussion is minimal, the potential impact remains significant for unpatched systems.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.0.5CPE 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
3.92%
Probability of exploitation in next 30 days
EPSS Percentile
89.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0392 is in the 51st percentile among its peer group of 8,915 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/2011//Jul/msg00002.html
PatchVendor Advisory
lists.apple.com / archives/Security-announce/2011//Oct/msg00000.html
lists.apple.com / archives/Security-announce/2011//Oct/msg00001.html
support.apple.com / kb/HT4808
Vendor Advisory
support.apple.com / kb/HT4981
support.apple.com / kb/HT4999