CVE-2016-9900

moderate-risk
Published 2018-06-11

External resources that should be blocked when loaded by SVG images can bypass security restrictions through the use of "data:" URLs. This could allow for cross-domain data leakage. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Debian Redhat Mozilla

References (20)

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=1319122
Third Party Advisory https://security.gentoo.org/glsa/201701-15
Third Party Advisory https://www.debian.org/security/2017/dsa-3757
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=1319122
Third Party Advisory https://security.gentoo.org/glsa/201701-15
Third Party Advisory https://www.debian.org/security/2017/dsa-3757
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/
49
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 20/34 · Moderate