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Vulnerability details: VCID-jkjk-6r2p-jbcu
Vulnerability ID VCID-jkjk-6r2p-jbcu
Aliases CVE-2009-2471
Summary Mozilla developer Blake Kaplan reported that setTimeout, when called with certain object parameters which should be protected with a XPCNativeWrapper, will fail to keep the object wrapped when compiling the new function to be executed. If chrome privileged code were to call setTimeout using this as an argument, the this object will lose its wrapper and could be unsafely accessed by chrome code. An attacker could use such vulnerable code to run arbitrary JavaScript with chrome privileges.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.8439
EPSS Score 0.02113
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T08:27:40.672620+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2009/mfsa2009-39.md 38.6.0