CVE-2016-5280

Critical

Description

Use-after-free vulnerability in the mozilla::nsTextNodeDirectionalityMap::RemoveElementFromMap function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code via bidirectional text.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Mozilla Firefox

PublishedSep 22, 2016

First seenSep 22, 2016

How to fix

Vendor advisories

security.gentoo.org/glsa/201701-15

Affected products

Product	Affected versions	Fixed in
mozilla firefox	v ≤ 48.0.2, 45.0, 45.0.1, 45.0.2, 45.1.1, 45.2.0, 45.3.0	—

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