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Vulnerabilities

Vulnerability · 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)…

Published Mar 15, 2010 · catalog updated Jun 16, 2026 · Apple

Check this week

CVE-2010-0050 is not in CISA KEV. FIRST estimates a 11.64% chance of exploitation in the next 30 days. Check whether you run Apple.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
11.64%
Remediation
Version ranges on file
Affected products
cpe apple/iphone os · cpe apple/safari · cpe canonical/ubuntu linux · cpe fedoraproject/fedora · cpe opensuse/opensuse

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apple/iphone os< 4.0
  • cpe apple/safari< 4.0.5
  • cpe canonical/ubuntu linux10.04
  • cpe canonical/ubuntu linux10.10
  • cpe canonical/ubuntu linux9.10
  • cpe fedoraproject/fedora11
  • cpe fedoraproject/fedora12
  • cpe fedoraproject/fedora13
  • cpe opensuse/opensuse11.2
  • cpe opensuse/opensuse11.3

How to fix CVE-2010-0050

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2010-0050 is not in CISA KEV. FIRST estimates a 11.64% chance of exploitation in the next 30 days. Check whether you run Apple.

Which versions are affected?

Compare what you have installed with apple/iphone os < 4.0; canonical/ubuntu linux 10.04; canonical/ubuntu linux 10.10; canonical/ubuntu linux 9.10. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-416: Use After Free. EPSS 11.64%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 15, 2010 · Apple Security Releases

    Detected

    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.

  2. Jun 16, 2026 · Apple Security Releases

    Updated

    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.

Sources

  • Apple Security ReleasesVendor advisoryCVE-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.

    nvd.nist.gov
  • CVE.orgVulnerability recordCVE-2010-0050

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2010-0050

    30-day exploitation probability 11.64%

    first.org
  • Exploit DatabasePublic exploit reference12425

    Public exploit archive reference. This is not confirmation of exploitation. The exploit body is not stored here.

    exploit-db.com

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.