CVE-2010-0050

CVE-2010-0050 is a high-severity vulnerability in Apple Safari with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-416.

Key facts

• Severity: High (CVSS 3.x base score 8.8)
• CVSS v2: 9.3
• EPSS exploit prediction: 12% (96th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-416
• Affected product: Apple Safari
• Published: 2010-03-15
• Last modified: 2026-06-16

Description

Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via an HTML document with improperly nested tags.

Frequently asked questions

What is CVE-2010-0050?

Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via an HTML document with improperly nested tags.

How severe is CVE-2010-0050?

CVE-2010-0050 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2010-0050 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0050?

CVE-2010-0050 primarily affects Apple Safari. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0050?

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

When was CVE-2010-0050 published?

CVE-2010-0050 was published on 2010-03-15 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html
• http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041383.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041432.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041436.html
• http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
• http://secunia.com/advisories/41856
• http://secunia.com/advisories/43068
• http://support.apple.com/kb/HT4070
• http://support.apple.com/kb/HT4225
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:039
• http://www.securityfocus.com/bid/38671
• http://www.securitytracker.com/id?1023708
• http://www.ubuntu.com/usn/USN-1006-1
• http://www.vupen.com/english/advisories/2010/2722
• http://www.vupen.com/english/advisories/2011/0212
• http://www.vupen.com/english/advisories/2011/0552
• https://exchange.xforce.ibmcloud.com/vulnerabilities/56836
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7587

Affected products (10)

• cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:12:*:*:*:*:*:*:*
• cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*

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All CVEs affecting Apple Safari →

Other CWE-416 (Use After Free) vulnerabilities

• CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
• CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
• CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
• CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
• CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
• CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →