CVE-2016-9899

high-risk
Published 2018-06-11

Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Do I need to act?

!
36.4% chance of exploitation in next 30 days
EPSS score — higher than 64% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
41042
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Debian Redhat Mozilla

References (22)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2946.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2973.html
Third Party Advisory http://www.securityfocus.com/bid/94885
Third Party Advisory http://www.securitytracker.com/id/1037461
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1317409
Third Party Advisory https://security.gentoo.org/glsa/201701-15
Third Party Advisory https://www.debian.org/security/2017/dsa-3757
Third Party Advisory https://www.exploit-db.com/exploits/41042/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-94/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-95/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-96/
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2946.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2973.html
Third Party Advisory http://www.securityfocus.com/bid/94885
Third Party Advisory http://www.securitytracker.com/id/1037461
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1317409
Third Party Advisory https://security.gentoo.org/glsa/201701-15
Third Party Advisory https://www.debian.org/security/2017/dsa-3757
Third Party Advisory https://www.exploit-db.com/exploits/41042/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-94/
and 2 more references
68
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 16/34 · Moderate
Exposure 20/34 · Moderate