Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2019-11745

Publication date 25 November 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Status

Package Ubuntu Release Status
firefox 19.10 eoan
Fixed 71.0+build5-0ubuntu0.19.10.1
19.04 disco
Fixed 71.0+build5-0ubuntu0.19.04.1
18.04 LTS bionic
Fixed 71.0+build5-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 71.0+build5-0ubuntu0.16.04.1
14.04 LTS trusty Not in release
nss 19.10 eoan
Fixed 2:3.45-1ubuntu2.1
19.04 disco
Fixed 2:3.42-1ubuntu2.3
18.04 LTS bionic
Fixed 2:3.35-2ubuntu2.5
16.04 LTS xenial
Fixed 2:3.28.4-0ubuntu0.16.04.8
14.04 LTS trusty
thunderbird 19.10 eoan
Fixed 1:68.4.1+build1-0ubuntu0.19.10.1
19.04 disco Ignored
18.04 LTS bionic
Fixed 1:68.4.1+build1-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 1:68.7.0+build1-0ubuntu0.16.04.2
14.04 LTS trusty Not in release

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

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-4216-2
    • Firefox vulnerabilities
    • 13 December 2019
    • USN-4216-1
    • Firefox vulnerabilities
    • 9 December 2019
    • USN-4335-1
    • Thunderbird vulnerabilities
    • 21 April 2020
    • USN-4241-1
    • Thunderbird vulnerabilities
    • 16 January 2020

Other references