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CVE-2010-1749

28
FAUCET Score

CVE-2010-1749 is a use-after-free vulnerability in WebKit, affecting Apple Safari on Mac OS X and Windows, stemming from improper handling of CSS run-in properties and destructor invocations. This critical vulnerability has a CVSS score of 9.3, indicating that a remote, unauthenticated attacker could execute arbitrary code or cause a denial of service with medium attack complexity. Despite its high severity and potential for complete compromise of confidentiality, integrity, and availability, there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.5CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:*
4.0.0bCPE matchmatch criteria
cpe:2.3:a:apple:safari:4.0.0b:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:apple:safari:4.0.1:*:*:*:*:*:*:*
4.0.2CPE matchmatch criteria
cpe:2.3:a:apple:safari:4.0.2:*:*:*:*:*:*:*

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
8.73%
Probability of exploitation in next 30 days
EPSS Percentile
94.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0873 is in the 74th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 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 (3)

applevendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: webkitgtk

Vendor Advisories (1)

redhatCVE-2010-1749Critical

WebKit: use-after-free vulnerability in handling of CSS run-ins

Jun 7, 2010

References

lists.apple.com / archives/security-announce/2010/Jun/msg00000.html
PatchVendor Advisory
lists.apple.com / archives/security-announce/2010//Jun/msg00002.html
Vendor Advisory
lists.opensuse.org / opensuse-security-announce/2011-01/msg00006.html
secunia.com / advisories/40105
Vendor Advisory
secunia.com / advisories/40196
Vendor Advisory
secunia.com / advisories/43068
Vendor Advisory
securitytracker.com / id
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7180
support.apple.com / kb/HT4196
Vendor Advisory
support.apple.com / kb/HT4220
Vendor Advisory
securityfocus.com / archive/1/511725/100/0/threaded
securityfocus.com / bid/40620
Patch
vupen.com / english/advisories/2010/1373
PatchVendor Advisory
vupen.com / english/advisories/2010/1512
Vendor Advisory
vupen.com / english/advisories/2011/0212
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-10-101