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CVE-2020-6801

Publication date 11 February 2020

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Mozilla developers reported memory safety bugs present in Firefox 72. 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 < 73.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 19.10 eoan
Fixed 73.0+build3-0ubuntu0.19.10.1
18.04 LTS bionic
Fixed 73.0+build3-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 73.0.1+build1-0ubuntu0.16.04.1
14.04 LTS trusty Not in release
thunderbird 19.10 eoan
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Notes

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4278-1
    • Firefox vulnerabilities
    • 13 February 2020
    • USN-4278-2
    • Firefox vulnerabilities
    • 26 February 2020

Other references