CVE-2010-1771

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6...

9.3 High

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving fonts.

Exploit likelihood

6.35%Down 1.3 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2010-1771
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-2010-1771
Updated: 2026-11-02

EUVDEUVD-2010-1791 No score

Record: EUVD-2010-1791
Updated: 2026-11-03

GitHub AdvisoriesGHSA-639x-57c3-p6fh No score

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6...

Record: GHSA-639x-57c3-p6fh
Updated: 2026-11-02

Affected products

History

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

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

In short

CVE-2010-1771 is a high vulnerability (CVSS 9.3) in Apple Safari, published June 11, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.35%, the 93rd percentile. No source names a fixed version.

References

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