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Fencer Vulns
medium 4.3

CVE-2009-2419 json

Use-after-free vulnerability in the servePendingRequests function in WebCore in WebKit in Apple Safari 4.0 and 4.0.1 allows remote attacker…

published 2009-07-09 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2415

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.1%
EPSS 9.1% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-33062)
  2. Published

Exploit prediction

9.07% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-33062 Apple Safari 4 - 'reload()' Denial of Service dos, 2009-06-02
  • securityfocus.com http://www.securityfocus.com/bid/35555 referenced PoC, tagged "exploit" by a source, unverified
  • marcell-dietl.de http://marcell-dietl.de/index/adv_safari_4_x_js_reload_dos.php referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.