CVE-2016-9069

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-18 · updated 2026-06-17
Weakness: CWE-416

Description

A use-after-free in nsINode::ReplaceOrInsertBefore during DOM operations resulting in potentially exploitable crashes. This vulnerability affects Firefox < 50.

Affected products

Mozilla Firefox: before 50.0 — fixed in 50.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 50.0. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/94337
http://www.securitytracker.com/id/1037298
https://bugzilla.mozilla.org/show_bug.cgi?id=1308922
https://www.mozilla.org/security/advisories/mfsa2016-89/
http://www.securityfocus.com/bid/94337
http://www.securitytracker.com/id/1037298
https://bugzilla.mozilla.org/show_bug.cgi?id=1308922
https://www.mozilla.org/security/advisories/mfsa2016-89/

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