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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. This results in an exploitable crash. This vulner...

CriticalCVSS 9.8 EPSS 2.9%
Published
Updated
Exploit status
No public exploit known

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.

Affected products

ProductAffected versionsFixed in
debian/firefox-esr(Debian:12) < 52.3.0esr-1 52.3.0esr-1
debian/firefox-esr(Debian:13) < 52.3.0esr-1 52.3.0esr-1
debian/firefox-esr(Debian:14) < 52.3.0esr-1 52.3.0esr-1
debian linux = 8.0 No fix listed
debian linux = 9.0 No fix listed
redhat enterprise linux = 6.0 No fix listed
redhat enterprise linux = 7.0 No fix listed
redhat enterprise linux desktop = 6.0 No fix listed
redhat enterprise linux desktop = 7.0 No fix listed
redhat enterprise linux server = 6.0 No fix listed
redhat enterprise linux server = 7.0 No fix listed
redhat enterprise linux server aus = 7.3 No fix listed
redhat enterprise linux server aus = 7.4 No fix listed
redhat enterprise linux server eus = 7.3 No fix listed
redhat enterprise linux server eus = 7.4 No fix listed
redhat enterprise linux server eus = 7.5 No fix listed
redhat enterprise linux workstation = 6.0 No fix listed
redhat enterprise linux workstation = 7.0 No fix listed
mozilla Firefox < 55.0 55.0
mozilla Firefox < 52.3.0 52.3.0
mozilla Thunderbird < 52.3.0 52.3.0
mozilla Thunderbird < 52.3 52.3
mozilla firefox esr < 52.3 52.3
mozilla Firefox < 55 55

References