CVE-2019-11759

Publication date 23 October 2019

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 24.04 LTS noble
Fixed in 70.0+build2-0ubuntu1
23.10 mantic
Fixed in 70.0+build2-0ubuntu1
23.04 lunar
Fixed in 70.0+build2-0ubuntu1
22.10 kinetic
Fixed in 70.0+build2-0ubuntu1
22.04 LTS jammy
Fixed in 70.0+build2-0ubuntu1
21.10 impish
Fixed in 70.0+build2-0ubuntu1
21.04 hirsute
Fixed in 70.0+build2-0ubuntu1
20.10 groovy
Fixed in 70.0+build2-0ubuntu1
20.04 LTS focal
Fixed in 70.0+build2-0ubuntu1
19.10 eoan
Fixed in 70.0+build2-0ubuntu0.19.10.1
19.04 disco
Fixed in 70.0+build2-0ubuntu0.19.04.1
18.04 LTS bionic
Fixed in 70.0+build2-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed in 70.0+build2-0ubuntu0.16.04.1
14.04 LTS trusty Not in release
mozjs38 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.04 LTS bionic Ignored
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
mozjs52 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Ignored end of life
20.04 LTS focal Ignored
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.04 LTS bionic Ignored
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
mozjs60 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
thunderbird 24.04 LTS noble
Fixed in 1:68.2.0+build1.1-0ubuntu1
23.10 mantic
Fixed in 1:68.2.0+build1.1-0ubuntu1
23.04 lunar
Fixed in 1:68.2.0+build1.1-0ubuntu1
22.10 kinetic
Fixed in 1:68.2.0+build1.1-0ubuntu1
22.04 LTS jammy
Fixed in 1:68.2.0+build1.1-0ubuntu1
21.10 impish
Fixed in 1:68.2.0+build1.1-0ubuntu1
21.04 hirsute
Fixed in 1:68.2.0+build1.1-0ubuntu1
20.10 groovy
Fixed in 1:68.2.0+build1.1-0ubuntu1
20.04 LTS focal
Fixed in 1:68.2.0+build1.1-0ubuntu1
19.10 eoan
Fixed in 1:68.2.1+build1-0ubuntu0.19.10.1
19.04 disco Ignored end of life
18.04 LTS bionic
Fixed in 1:68.2.1+build1-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed in 1:68.7.0+build1-0ubuntu0.16.04.2
14.04 LTS trusty Not in release

Notes

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · 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-4202-1
    • Thunderbird vulnerabilities
    • 26 November 2019
    • USN-4335-1
    • Thunderbird vulnerabilities
    • 21 April 2020
    • USN-4165-1
    • Firefox vulnerabilities
    • 23 October 2019

Other references

Access our resources on patching vulnerabilities