CVE-2020-6807 — Use After Free in Mozilla Firefox
Severity
8.8HIGHNVD
OSV6.5
EPSS
0.8%
top 26.15%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 25
Latest updateMay 24
Description
When a device was changed while a stream was about to be destroyed, the stream-reinit task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages9 packages
Also affects: Ubuntu Linux 16.04, 18.04, 19.10
🔴Vulnerability Details
6GHSA▶
GHSA-v7mh-jh5r-f65h: When a device was changed while a stream was about to be destroyed, the stream-reinit task may have been executed after the stream was destroyed, caus↗2022-05-24
CVEList▶
CVE-2020-6807: When a device was changed while a stream was about to be destroyed, the stream-reinit task may have been executed after the stream was destroyed, caus↗2020-03-25
OSV▶
CVE-2020-6807: When a device was changed while a stream was about to be destroyed, the stream-reinit task may have been executed after the stream was destroyed, caus↗2020-03-25
📋Vendor Advisories
8Debian▶
CVE-2020-6807: firefox - When a device was changed while a stream was about to be destroyed, the <code>st...↗2020