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CVE-2009-2419

26
FAUCET Score

CVE-2009-2419 is a use-after-free vulnerability in the WebCore component of Apple Safari 4.0 and 4.0.1. This flaw allows remote attackers to trigger a denial of service or potentially execute arbitrary code by crafting an HTML document that references a zero-length JavaScript file and utilizes the JavaScript reload function. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial availability impact. While not listed in CISA's KEV catalog, an exploit for denial of service is available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:apple:safari:4.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
9.07%
Probability of exploitation in next 30 days
EPSS Percentile
94.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-33062 · Jun 2, 2009
This CVE's current EPSS score of 0.0907 is in the 94th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.opensuse.org / opensuse-security-announce/2011-01/msg00006.html
marcell-dietl.de / index/adv_safari_4_x_js_reload_dos.php
Exploit
secunia.com / advisories/33495
Vendor Advisory
secunia.com / advisories/43068
exchange.xforce.ibmcloud.com / vulnerabilities/51533
trac.webkit.org / changeset/44519
Vendor Advisory
osvdb.org / 55587
securityfocus.com / bid/35555
Exploit
vupen.com / english/advisories/2011/0212