CVE-2017-7800 — Use After Free in Mozilla Firefox
Severity
9.8CRITICALNVD
EPSS
4.3%
top 11.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
Description
A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages8 packages
Also affects: Debian Linux 8.0, 9.0, Enterprise Linux 6.0, 7.0, 7.3, 7.4, 7.5
Patches
🔴Vulnerability Details
5GHSA▶
GHSA-62m9-5728-5g74: A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished↗2022-05-14
CVEList▶
CVE-2017-7800: A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished↗2018-06-11
OSV▶
CVE-2017-7800: A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished↗2018-06-11
📋Vendor Advisories
4💬Community
1Bugzilla
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