CVE-2016-9067

firefox: Heap use-after-free in nsINode::ReplaceOrInsertBefore

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Severity

Important

Red Hat Product Security

8.3

CVSS 3.0

Review impact separately from score.

Published · November 15, 2016

Updated · November 22, 2025

Description

Two use-after-free errors during DOM operations resulting in potentially exploitable crashes. This vulnerability affects Firefox < 50.

Statement

This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 8.3
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS 2.0 · 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P

CWE-416 · Use After Free