CVE-2020-6805 — Use After Free in Mozilla Firefox
Severity
8.8HIGHNVD
OSV6.5
EPSS
0.8%
top 25.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 25
Latest updateMay 24
Description
When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in 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-x53c-7qg8-2x3c: When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploi↗2022-05-24
CVEList▶
CVE-2020-6805: When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploi↗2020-03-25
OSV▶
CVE-2020-6805: When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploi↗2020-03-25
📋Vendor Advisories
8Debian▶
CVE-2020-6805: firefox - When removing data about an origin whose tab was recently closed, a use-after-fr...↗2020