CVE-2020-15673 — Use After Free in Mozilla Firefox
Severity
8.8HIGHNVD
EPSS
0.9%
top 24.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 1
Latest updateMay 24
Description
Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
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 Packages8 packages
Also affects: Debian Linux 10.0, 9.0
🔴Vulnerability Details
3GHSA▶
GHSA-662r-59mf-5fxr: Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78↗2022-05-24
CVEList▶
CVE-2020-15673: Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78↗2020-10-01
OSV▶
CVE-2020-15673: Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78↗2020-10-01
📋Vendor Advisories
6Debian▶
CVE-2020-15673: firefox - Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox...↗2020
💬Community
1Bugzilla
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