CVE-2010-4576

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-12-22 · updated 2026-06-16
Weakness: CWE-476

Description

browser/worker_host/message_port_dispatcher.cc in Google Chrome before 8.0.552.224 and Chrome OS before 8.0.552.343 does not properly handle certain postMessage calls, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted JavaScript code that creates a web worker.

Affected products

Google Chrome: before 8.0.552.224 — fixed in 8.0.552.224
Google ChromeOS: before 8.0.552.343 — fixed in 8.0.552.343

How to fix

Upgrade to a fixed version: Google Chrome 8.0.552.224; Google ChromeOS 8.0.552.343. Check the vendor advisory for mitigations.

References

http://code.google.com/p/chromium/issues/detail?id=63529
http://googlechromereleases.blogspot.com/2010/12/stable-beta-channel-updates_13.html
http://secunia.com/advisories/42648
http://src.chromium.org/viewvc/chrome?view=rev&revision=66620
http://www.gentoo.org/security/en/glsa/glsa-201012-01.xml
http://www.securityfocus.com/bid/45390
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14161
http://code.google.com/p/chromium/issues/detail?id=63529
http://googlechromereleases.blogspot.com/2010/12/stable-beta-channel-updates_13.html
http://secunia.com/advisories/42648
http://src.chromium.org/viewvc/chrome?view=rev&revision=66620
http://www.gentoo.org/security/en/glsa/glsa-201012-01.xml

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