Known exploited vulnerability
CVE-2016-9079
The short answer
CVE-2016-9079 affects Mozilla Firefox and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-06-22: attackers are using it, so patch it first.
What it is
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.
Weakness: CWE-416.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since Jun 22, 2023
Federal due date Jul 13, 2023
EPSS, next 30 days
87%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected products
Firefox, Firefox ESR, Thunderbird. NVD's record lists the exact affected versions.
References
- bugzilla.mozilla.org/show_bug.cgi?id=1321066 ExploitIssue TrackingVendor Advisory
- security.gentoo.org/glsa/201701-15 Third Party Advisory
- security.gentoo.org/glsa/201701-35 Third Party Advisory
- www.debian.org/security/2016/dsa-3730 Third Party Advisory
- www.exploit-db.com/exploits/41151/ ExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/42327/ ExploitThird Party AdvisoryVDB Entry
- www.mozilla.org/security/advisories/mfsa2016-92/ Vendor Advisory
- bugzilla.mozilla.org/show_bug.cgi?id=1321066 ExploitIssue TrackingVendor Advisory
- security.gentoo.org/glsa/201701-15 Third Party Advisory
- security.gentoo.org/glsa/201701-35 Third Party Advisory
- www.debian.org/security/2016/dsa-3730 Third Party Advisory
- www.exploit-db.com/exploits/41151/ ExploitThird Party AdvisoryVDB Entry
Questions
Is CVE-2016-9079 being exploited?
Yes. CISA added CVE-2016-9079 to its Known Exploited Vulnerabilities catalog on 2023-06-22, with a federal remediation due date of 2023-07-13.
How do I fix CVE-2016-9079?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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