Search/CVE-2016-9900
● CVE — High

CVE-2016-9900

Vendordebian, redhat, mozillaProductdebian linux, enterprise linux, enterprise linux server, enterprise linux server aus, enterprise linux desktop, enterprise linux workstation, enterprise linux server eus, firefox, thunderbirdDiscoveredJun 11, 2018UpdatedNov 25, 2025

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.

View graph Watch Export
CVSS v3.1
7.5 HIGH
EPSS
9.61%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▼ 0.32pp
9.93% → 9.61% over 11 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityNONE
AvailabilityNONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Connections
10 relationships
Timeline
disclosure → media coverage
Jun 11, 2018
Disclosure — published as a CVE record. · last revised by NVD Nov 25, 2025