CVE-2009-0744

Apple Safari 4 Beta build 528.16 - Denial of Service via Malformed feeds: URI

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-0744. PoCs published by Trancer.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service vulnerability in Apple Safari 4 Beta due to a NULL-pointer dereference. The provided URIs trigger the crash when processed by the browser.

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Trancer · textdososx
https://www.exploit-db.com/exploits/32817

This exploit demonstrates a denial-of-service vulnerability in Apple Safari 4 Beta due to a NULL-pointer dereference. The provided URIs trigger the crash when processed by the browser.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Apple Safari 4 Beta
No auth needed
Prerequisites: Victim must visit a malicious URI
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/48943
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6066
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/33909
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/501229/100/0/threaded

Scores

EPSS 0.0665
EPSS Percentile 93.0%

Details

CWE
CWE-20
Status published
Products (1)
apple/safari 4.0 beta
Published Feb 27, 2009
Tracked Since Feb 18, 2026