CVE-2017-5403

Publication date 7 March 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Status

Package Ubuntu Release Status
firefox 17.04 zesty
Fixed 52.0.1+build2-0ubuntu1
16.10 yakkety
Fixed 52.0+build2-0ubuntu0.16.10.1
16.04 LTS xenial
Fixed 52.0+build2-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 52.0+build2-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 52.0+build2-0ubuntu0.12.04.1

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references

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