CVE-2020-12395 — Out-of-bounds Write in Mozilla Firefox
Severity
9.8CRITICALNVD
OSV8.1
EPSS
1.3%
top 20.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 26
Latest updateMay 24
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. 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 ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages9 packages
Also affects: Ubuntu Linux 16.04, 18.04, 19.10, 20.04
🔴Vulnerability Details
6GHSA▶
GHSA-v3wf-5473-qgjv: Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68↗2022-05-24
OSV▶
CVE-2020-12395: Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68↗2020-05-26
CVEList▶
CVE-2020-12395: Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68↗2020-05-26
📋Vendor Advisories
8Debian▶
CVE-2020-12395: firefox - Mozilla developers and community members reported memory safety bugs present in ...↗2020
💬Community
1Bugzilla
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