CVE-2010-1771

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-06-11 · updated 2026-06-16
Weakness: CWE-399

Description

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.

Affected products

Apple Safari: through 4.0.5; 4.0, 4.0.0b, 4.0.1, 4.0.2, 4.0.3, 4.0.4
Apple Webkit: all versions

References

http://lists.apple.com/archives/security-announce/2010//Jun/msg00002.html
http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html
http://lists.apple.com/archives/security-announce/2010//Sep/msg00002.html
http://lists.apple.com/archives/security-announce/2010/Jun/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://secunia.com/advisories/40105
http://secunia.com/advisories/40196
http://secunia.com/advisories/41856
http://secunia.com/advisories/42314
http://secunia.com/advisories/43068
http://securitytracker.com/id?1024067
http://support.apple.com/kb/HT4196

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