CVE-2013-6646

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-01-16 · updated 2026-06-17
Weakness: CWE-416

Description

Use-after-free vulnerability in the Web Workers implementation in Google Chrome before 32.0.1700.76 on Windows and before 32.0.1700.77 on Mac OS X and Linux allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the shutting down of a worker process.

Affected products

Debian Linux: 7.0, 8.0
Google Chrome: before 32.0.1700.77; before 32.0.1700.76 — fixed in 32.0.1700.76, 32.0.1700.77
Opensuse: 12.3, 13.1

How to fix

Upgrade to a fixed version: Google Chrome 32.0.1700.76, 32.0.1700.77. Check the vendor advisory for mitigations.

References

http://googlechromereleases.blogspot.com/2014/01/stable-channel-update.html
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00008.html
http://www.debian.org/security/2014/dsa-2862
https://code.google.com/p/chromium/issues/detail?id=249502
https://src.chromium.org/viewvc/chrome?revision=233099&view=revision
https://src.chromium.org/viewvc/chrome?revision=233367&view=revision
http://googlechromereleases.blogspot.com/2014/01/stable-channel-update.html
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00008.html
http://www.debian.org/security/2014/dsa-2862
https://code.google.com/p/chromium/issues/detail?id=249502
https://src.chromium.org/viewvc/chrome?revision=233099&view=revision
https://src.chromium.org/viewvc/chrome?revision=233367&view=revision

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