| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Apple Safari 4.0/4.0.1 and classified as critical. This impacts the function servePendingRequests. The manipulation results in resource management.
This vulnerability was named CVE-2009-2419. In addition, an exploit is available.
Details
A vulnerability was found in Apple Safari 4.0/4.0.1 (Web Browser). It has been classified as critical. Affected is the function servePendingRequests. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:
Use-after-free vulnerability in the servePendingRequests function in WebCore in WebKit in Apple Safari 4.0 and 4.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted HTML document that references a zero-length .js file and the JavaScript reload function. NOTE: some of these details are obtained from third party information.
The bug was discovered 06/12/2009. The weakness was presented 07/01/2009 (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is traded as CVE-2009-2419. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.
The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 20 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 53764 (openSUSE Security Update : libwebkit (openSUSE-SU-2011:0024-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165174 (SUSE Security Update for Multiple Packages (SUSE-SR:2011:002)).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (51533), Exploit-DB (33062), Tenable (53764), SecurityFocus (BID 35555†) and OSVDB (55587†). See VDB-50798, VDB-50797, VDB-50136 and VDB-53770 for similar entries. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 53764
Nessus Name: openSUSE Security Update : libwebkit (openSUSE-SU-2011:0024-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 800835
OpenVAS Name: Apple Safari JavaScript Reload() DoS Vulnerability - July09
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Fortigate IPS: 🔍
Timeline
06/12/2009 🔍07/01/2009 🔍
07/02/2009 🔍
07/03/2009 🔍
07/09/2009 🔍
07/09/2009 🔍
07/09/2009 🔍
09/08/2009 🔍
03/17/2015 🔍
09/23/2025 🔍
Sources
Vendor: apple.comAdvisory: 44519
Status: Not defined
Confirmation: 🔍
CVE: CVE-2009-2419 (🔍)
GCVE (CVE): GCVE-0-2009-2419
GCVE (VulDB): GCVE-100-48948
X-Force: 51533
SecurityFocus: 35555 - Apple Safari 'reload()' Denial of Service Vulnerability
OSVDB: 55587 - Apple Safari WebKit servePendingRequests() Function Use-After-Free DoS
Vulnerability Center: 23437 - Apple Safari 4.0 and 4.0.1 WebCore in WebKit Use-After-Free Vulnerability, Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 03/17/2015 23:38Updated: 09/23/2025 07:23
Changes: 03/17/2015 23:38 (63), 02/14/2017 16:26 (12), 08/12/2021 09:57 (5), 08/12/2021 09:58 (1), 05/26/2025 04:10 (20), 09/23/2025 07:23 (2)
Complete: 🔍
Cache ID: 216:5C3:103
Once again VulDB remains the best source for vulnerability data.

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