CVE-2009-0744: n/a vulnerability

CVE-2009-0744: Apple Safari 4 Beta build 528.16 allows remote attackers to cause a denial of service (NULL pointer derefer...

Apple Safari 4 Beta build 528.16 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a feeds: URI beginning with a (1) % (percent), (2) { (open curly bracket), (3) } (close curly bracket), (4) ^ (caret), (5) ` (backquote), or (6) | (pipe) character, followed by an & (ampersand) character.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 04:48 UTC (UTC+00:00)

Security readout for executives and security teams

This CVE describes a crash bug in Apple Safari 4 Beta build 528.16. A maliciously formed feeds: link could make the browser crash. The documented impact is denial of service to the application, not data theft or system takeover. Exposure is likely limited to systems still running Apple Safari 4 Beta build 528.16 or using it as a handler for feeds: URIs. The source bundle does not identify supported Safari releases as affected. Treat this as low urgency unless the obsolete Safari beta is still present in a business environment. The practical priority is legacy software cleanup, not emergency incident response. Mitigation focus: Identify and remove Safari 4 Beta build 528.16 from managed endpoints.; Replace obsolete beta browser builds with supported vendor-maintained versions.; Review vendor or archived Apple guidance for any named update path..

Prepared: Jun 28, 2026, 11:23 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 27, 2009, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
safari-feedsuri-dos(48943)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:6066CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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