PT-2017-3382 · Mozilla+5 · Firefox Esr+7
Looben Yang
·
Published
2017-06-18
·
Updated
2024-12-12
·
CVE-2017-7800
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 55
Firefox ESR versions prior to 52.3
Thunderbird versions prior to 52.3
Description
The issue is related to a use-after-free vulnerability in the implementation of WebSockets technology. This vulnerability can be exploited by a remote attacker to cause a denial of service, resulting in a crash. The vulnerability occurs when the object holding the connection is freed before the disconnection operation is finished.
Recommendations
For Firefox versions prior to 55, update to version 55 or later to resolve the issue.
For Firefox ESR versions prior to 52.3, update to version 52.3 or later to resolve the issue.
For Thunderbird versions prior to 52.3, update to version 52.3 or later to resolve the issue.
Exploit
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Centos
Firefox
Firefox Esr
Red Hat
Suse
Thunderbird
Ubuntu