CVE-2017-7800

9.8 CRITICAL
Published: June 11, 2018 Modified: November 25, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/100196
Source: security@mozilla.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039124
Source: security@mozilla.org
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:2456
Source: security@mozilla.org
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2534
Source: security@mozilla.org
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1374047
Source: security@mozilla.org
Exploit Issue Tracking Patch Vendor Advisory
https://security.gentoo.org/glsa/201803-14
Source: security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2017/dsa-3928
Source: security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2017/dsa-3968
Source: security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-20/
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/100196
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039124
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:2456
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2534
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1374047
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Patch Vendor Advisory
https://security.gentoo.org/glsa/201803-14
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2017/dsa-3928
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2017/dsa-3968
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-19/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-20/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
4.3%
88th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-416

Affected Vendors

mozilla debian redhat

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