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CVE Record

CVE-2009-2421: The CFCharacterSetInitInlineBuffer method in CoreFoundation.dll in Apple Safari 3.2.3 allows remote attacke...

The CFCharacterSetInitInlineBuffer method in CoreFoundation.dll in Apple Safari 3.2.3 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via a "high-bit character" in a URL fragment for an unspecified protocol.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This old Safari issue can let a remote attacker crash the browser, and the CVE says code execution may be possible. The public bundle does not provide severity scoring, confirmed exploitation, or a named fix. Business urgency depends on whether any legacy systems still run Apple Safari 3.2.3. Exposure is likely limited to environments retaining Apple Safari 3.2.3 or systems where that browser can process untrusted links. The source bundle does not identify broader affected products, platforms, or version ranges. Treat this as a legacy exposure cleanup item unless Safari 3.2.3 is still present. If found on active systems, prioritize replacement because the browser is obsolete and the CVE includes possible code execution. Mitigation focus: Identify and remove Apple Safari 3.2.3 from managed assets where possible.; Check Apple or vendor guidance for fixed versions or supported migration paths.; Restrict legacy browser use to isolated systems with minimal web access..

Prepared

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

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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Execution behavior lookup

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CVE-2009-2421 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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
1Source links

CVSS and timeline data

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

Source materials

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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