All vulnerabilities
CVE-2016-9079

Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability

Mozilla Firefox, Firefox ESR, and ThunderbirdApplications & CMS
Open in ThreatlineRecord JSON
CVSS
7.5High
ExploitationExploited in the wildAdded to KEV 22 Jun 2023CISA KEV
Exploit odds (EPSS)87.4%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in50.0.2Also 45.5.1CVE List
Federal deadline13 Jul 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 30 Nov 2016Exploit code publicMetasploit
  2. 11 Jun 2018, 21:00 UTCPublishedCVE List
  3. 22 Jun 2023Added to CISA KEVCISA KEV

Public exploit code and templates 3

  • Exploit moduleFirefox nsSMILTimeContainer::NotifyTimeChange() RCE 30 Nov 2016Metasploit
  • Remote exploitFirefox 50.0.1 - ASM.JS JIT-Spray Remote Code Execution 14 Jul 2017Exploit-DB
  • Remote exploitMozilla Firefox < 50.0.2 - 'nsSMILTimeContainer::NotifyTimeChange()' Remote Code Execution (Metasploit) 24 Jan 2017Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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

Text from CVE List

Affected versions 3

  • Firefoxaffected: unspecified before 50.0.2CVE List
  • Firefox ESRaffected: unspecified before 45.5.1CVE List
  • Thunderbirdaffected: unspecified before 45.5.1CVE List

References 10