CVE-2010-3822

CVE-2010-3822 is a critical-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 4% (90th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Apple Safari
• Published: 2010-11-22
• Last modified: 2026-06-16

Description

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, accesses an uninitialized pointer during processing of Cascading Style Sheets (CSS) counter styles, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted web site.

Frequently asked questions

What is CVE-2010-3822?

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, accesses an uninitialized pointer during processing of Cascading Style Sheets (CSS) counter styles, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted web site.

How severe is CVE-2010-3822?

CVE-2010-3822 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-3822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3822?

CVE-2010-3822 primarily affects Apple Safari. In total, 63 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3822?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-3822 published?

CVE-2010-3822 was published on 2010-11-22 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2010//Nov/msg00002.html
• http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
• http://secunia.com/advisories/42314
• http://secunia.com/advisories/43068
• http://support.apple.com/kb/HT4455
• http://support.apple.com/kb/HT4456
• http://www.vupen.com/english/advisories/2010/3046
• http://www.vupen.com/english/advisories/2011/0212
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11899

Affected products (63)

• cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:5.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:5.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:webkit:*:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0:beta:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.0b1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.0b2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.3:85.8:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.3:85.8.1:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3.2:312.5:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3.2:312.6:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:417.8:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:417.9:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:417.9.2:*:*:*:*:*:*

More vulnerabilities in Apple Safari

• CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
• CVE-2015-5780 — Critical (CVSS 10.0): The Safari Extensions implementation in Apple Safari before 9 does not require user confirmation before replacing an…
• CVE-2014-1303 — Critical (CVSS 10.0): Heap-based buffer overflow in Apple Safari 7.0.2 allows remote attackers to execute arbitrary code and bypass a sandbox…
• CVE-2014-1300 — Critical (CVSS 10.0): Unspecified vulnerability in Apple Safari 7.0.2 on OS X allows remote attackers to execute arbitrary code with root…
• CVE-2011-3046 — Critical (CVSS 10.0): The extension subsystem in Google Chrome before 17.0.963.78 does not properly handle history navigation, which allows…
• CVE-2010-3116 — Critical (CVSS 10.0): Multiple use-after-free vulnerabilities in WebKit, as used in Apple Safari before 4.1.3 and 5.0.x before 5.0.3, Google…

All CVEs affecting Apple Safari →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

• CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
• CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
• CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
• CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
• CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
• CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →