CVEs / CVE-2016-9079
CVE-2016-9079: Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability
- Known exploited in the CISA KEV catalog since 22 Jun 2023
- high 7.5 CVSS 3.1 (NVD)
- EPSS 87.3% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Mozilla Firefox, Firefox ESR, and Thunderbird contain a use-after-free vulnerability in SVG Animation, targeting Firefox and Tor browser users on Windows.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Mozilla Firefox | from unspecified, before 50.0.2 | 50.0.2 |
| Mozilla Firefox ESR | from unspecified, before 45.5.1 | 45.5.1 |
| Mozilla Thunderbird | from unspecified, before 45.5.1 | 45.5.1 |
Exploitation
| In CISA KEV since | 22 Jun 2023 |
|---|---|
| Due date for US federal agencies | 13 Jul 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NScored by NVD |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2016-9079 on NVD
- CVE-2016-9079 in the CISA KEV catalog
- https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/#CVE-2016-9079 (cited by CISA)
- CVE-2016-9079 on OSV
- http://rhn.redhat.com/errata/RHSA-2016-2843.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2850.html Third Party Advisory
- http://www.securityfocus.com/bid/94591 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037370 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1321066 Exploit, Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/201701-15 Third Party Advisory
- https://security.gentoo.org/glsa/201701-35 Third Party Advisory
- https://www.debian.org/security/2016/dsa-3730 Third Party Advisory
- https://www.exploit-db.com/exploits/41151/ Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42327/ Exploit, Third Party Advisory, VDB Entry
- https://www.mozilla.org/security/advisories/mfsa2016-92/ Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-9079 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.