CVE-2018-5144

Publication date 15 March 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
firefox-esr	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
thunderbird	18.04 LTS bionic	Fixed 1:52.7.0+build1-0ubuntu1
	17.10 artful	Fixed 1:52.7.0+build1-0ubuntu0.17.10.1
	16.04 LTS xenial	Fixed 1:52.7.0+build1-0ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 1:52.7.0+build1-0ubuntu0.14.04.1

Notes

chrisccoulson

Affects ESR52 only

Severity score breakdown

Parameter	Value
Base score	7.3 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

Related Ubuntu Security Notices (USN)

USN-3545-1
Thunderbird vulnerabilities
29 March 2018