CVE-2016-9079A use-after-free vulnerability in SVG Animation has been discovered.
Updated under an hour ago ()
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It affects Mozilla Firefox and 10 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 22, 2023; federal agencies had to remediate by Jul 13, 2023. Treat that date as your deadline.
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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.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-416
- Known exploited
- Added to CISA KEV Jun 22, 2023; federal remediation due Jul 13, 2023Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 87.54% (percentile 100)
- Assigned by
- mozilla
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Mozilla Firefox mozilla:firefox (from the name) | from unspecified before 50.0.2 | CNA record |
Mozilla Firefox ESR mozilla:firefox_esr (from the name) | from unspecified before 45.5.1 | CNA record |
Mozilla Thunderbird mozilla:thunderbird (from the name) | from unspecified before 45.5.1 | CNA record |
debian debian_linux debian:debian_linux | 9.0 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 5.0; 6.0; 7.0 | NVD |
redhat enterprise_linux_desktop redhat:enterprise_linux_desktop | 5.0; 6.0; 7.0 | NVD |
redhat enterprise_linux_server redhat:enterprise_linux_server | 5.0; 6.0; 7.0 | NVD |
redhat enterprise_linux_server_aus redhat:enterprise_linux_server_aus | 7.3; 7.4 | NVD |
redhat enterprise_linux_server_eus redhat:enterprise_linux_server_eus | 7.3; 7.4; 7.5 | NVD |
redhat enterprise_linux_workstation redhat:enterprise_linux_workstation | 5.0; 6.0; 7.0 | NVD |
mozilla thunderbird mozilla:thunderbird | before 45.5.1 | NVD |
mozilla firefox mozilla:firefox | before 50.0.2; before 45.5.1 | NVD |
torproject tor torproject:tor | all versions | NVD |
References
- https://www.debian.org/security/2016/dsa-3730vendor-advisory, x-refsource-debian, third-party-advisory
- http://rhn.redhat.com/errata/RHSA-2016-2843.htmlvendor-advisory, x-refsource-redhat, third-party-advisory
- https://security.gentoo.org/glsa/201701-35vendor-advisory, x-refsource-gentoo, third-party-advisory
- http://www.securitytracker.com/id/1037370vdb-entry, x-refsource-sectrack, third-party-advisory
- https://www.exploit-db.com/exploits/42327/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://rhn.redhat.com/errata/RHSA-2016-2850.htmlvendor-advisory, x-refsource-redhat, third-party-advisory
- https://www.mozilla.org/security/advisories/mfsa2016-92/x-refsource-confirm, vendor-advisory
- http://www.securityfocus.com/bid/94591vdb-entry, x-refsource-bid, broken-link, third-party-advisory
- https://security.gentoo.org/glsa/201701-15vendor-advisory, x-refsource-gentoo, third-party-advisory
- https://www.exploit-db.com/exploits/41151/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1321066x-refsource-confirm, exploit, issue-tracking, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-9079us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.