CVE-2010-3811

Use-after-free vulnerability in WebKit in Apple Safari before 5.0.3 on Mac OS X 10.5 through 10.6...

9.3 High

Use-after-free vulnerability in WebKit in Apple Safari before 5.0.3 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1.3 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving element attributes.

Exploit likelihood

5.83%Down 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2010-3811
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Record: CVE-2010-3811
Updated: 2026-11-02

EUVDEUVD-2010-3790 No score

Record: EUVD-2010-3790
Updated: 2026-11-03

GitHub AdvisoriesGHSA-27r6-qw3g-4x74 No score

Use-after-free vulnerability in WebKit in Apple Safari before 5.0.3 on Mac OS X 10.5 through 10.6...

Record: GHSA-27r6-qw3g-4x74
Updated: 2026-11-02

OSVUBUNTU-CVE-2010-3811 No score

Record: UBUNTU-CVE-2010-3811
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`qtwebkit-source` Ubuntu:16.04:LTS	All versions, plus listed versions 2.3.2-0ubuntu102.3.2-0ubuntu11	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-3811 is a high vulnerability (CVSS 9.3) in Apple Safari, published November 20, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.83%, the 93rd percentile. No source names a fixed version.

References

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