CVE-2016-9079

HIGH
7.5
CVSS Score
Published: June 11, 2018 at 09:00 PM UTC
Updated: June 17, 2026 at 12:55 AM UTC
11 products affected across 4 vendorsDebian LinuxFirefoxEnterprise Linux· also runs on 1 platform

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Severity
HIGH7.5
Exploitation
CISA KEV
Exploit prediction
EPSS 87%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score87.4%

EPSS (Exploit Prediction Scoring System) estimates a 87.4% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Mozilla Firefox, Firefox ESR, and Thunderbird contain a use-after-free vulnerability in SVG Animation, targeting Firefox and Tor browser users on Windows.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Jun 22, 2023
Remediation Due
Jul 13, 2023
1202 days overdue

Description

A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 45.5.1v < 50.0.2
Affected range stops below 45.5.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 50.0.2, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)
v < 45.5.1
Affected range stops below 45.5.1, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)
All versions
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (12)

Vendor Advisoryx_refsource_REDHATThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2843.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2850.html
VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
http://www.securityfocus.com/bid/94591
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1037370
x_refsource_CONFIRMExploitIssue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1321066
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/201701-15
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/201701-35
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
https://www.debian.org/security/2016/dsa-3730

SSVC — Action Prioritization

SSVCActiveAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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