Use After Free Affecting thunderbird package, versions <17.0+build2-0ubuntu0.12.04.1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.56% (91st percentile)

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  • Snyk IDSNYK-UBUNTU1204-THUNDERBIRD-420176
  • published21 Nov 2012
  • disclosed21 Nov 2012

Introduced: 21 Nov 2012

CVE-2012-5840  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:12.04 thunderbird to version 17.0+build2-0ubuntu0.12.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Ubuntu. See How to fix? for Ubuntu:12.04 relevant fixed versions and status.

Use-after-free vulnerability in the nsTextEditorState::PrepareEditor function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-4214.

CVSS Scores

version 3.1