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Vulnerabilities

Vulnerability · CVE-2005-4504

The khtml::RenderTableSection::ensureRows function in KHTMLParser in Apple Mac OS X 10.4.3 and earlier, as used by Safari and TextEdit, allows remote attackers to caus…

Published Dec 22, 2005 · catalog updated Jun 16, 2026 · Apple

Check this week

CVE-2005-4504 is not in CISA KEV. FIRST estimates a 11.91% 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
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
11.91%
Remediation
Version ranges on file
Affected products
cpe apple/mac os x · cpe apple/safari · cpe apple/textedit

The khtml::RenderTableSection::ensureRows function in KHTMLParser in Apple Mac OS X 10.4.3 and earlier, as used by Safari and TextEdit, allows remote attackers to cause a denial of service (memory consumption and application crash) via HTML files with a large ROWSPAN attribute in a TD tag.

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/mac os x10.0
  • cpe apple/safari1.0
  • cpe apple/safari1.1
  • cpe apple/safari1.2
  • cpe apple/safari1.2.1
  • cpe apple/safari1.2.2
  • cpe apple/safari1.2.3
  • cpe apple/safari1.3
  • cpe apple/safari2.0
  • cpe apple/safari2.0.1
  • cpe apple/safari2.0.2
  • cpe apple/textedit<= 1.4

How to fix CVE-2005-4504

What to do

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

Should you patch?

CVE-2005-4504 is not in CISA KEV. FIRST estimates a 11.91% chance of exploitation in the next 30 days. Check whether you run Apple.

Which versions are affected?

Compare what you have installed with apple/mac os x 10.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 11.91%. 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. Dec 22, 2005 · Apple Security Releases

    Detected

    The khtml::RenderTableSection::ensureRows function in KHTMLParser in Apple Mac OS X 10.4.3 and earlier, as used by Safari and TextEdit, allows remote attackers to cause a denial of service (memory consumption and application crash) via HTML files with a large ROWSPAN attribute in a TD tag.

  2. Jun 16, 2026 · Apple Security Releases

    Updated

    The khtml::RenderTableSection::ensureRows function in KHTMLParser in Apple Mac OS X 10.4.3 and earlier, as used by Safari and TextEdit, allows remote attackers to cause a denial of service (memory consumption and application crash) via HTML files with a large ROWSPAN attribute in a TD tag.

Sources

  • Apple Security ReleasesVendor advisoryCVE-2005-4504

    The khtml::RenderTableSection::ensureRows function in KHTMLParser in Apple Mac OS X 10.4.3 and earlier, as used by Safari and TextEdit, allows remote attackers to cause a denial of service (memory consumption and application crash) via HTML files with a large ROWSPAN attribute in a TD tag.

    nvd.nist.gov
  • CVE.orgVulnerability recordCVE-2005-4504

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2005-4504

    30-day exploitation probability 11.91%

    first.org
  • Exploit DatabasePublic exploit reference26971

    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.