VulnerabilityModified
CVE-2016-2816
Mozilla Firefox before 46.0 allows remote attackers to bypass the Content Security Policy (CSP) protection mechanism via the multipart/x-mixed-replace content type.
MEDIUM 6.5EPSS 2.31%
Does this matter?
Lower severity and a low EPSS score (2.31%). Track it; it rarely justifies an emergency change on its own.
Description
Mozilla Firefox before 46.0 allows remote attackers to bypass the Content Security Policy (CSP) protection mechanism via the multipart/x-mixed-replace content type.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- EPSS
- 2.31% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
- http://www.mozilla.org/security/announce/2016/mfsa2016-45.htmlVendor Advisory
- http://www.securitytracker.com/id/1035692
- http://www.ubuntu.com/usn/USN-2936-1
- http://www.ubuntu.com/usn/USN-2936-2
- http://www.ubuntu.com/usn/USN-2936-3
- https://bugzilla.mozilla.org/show_bug.cgi?id=1223743
- https://security.gentoo.org/glsa/201701-15
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
- http://www.mozilla.org/security/announce/2016/mfsa2016-45.htmlVendor Advisory
- http://www.securitytracker.com/id/1035692
- http://www.ubuntu.com/usn/USN-2936-1
- http://www.ubuntu.com/usn/USN-2936-2
- http://www.ubuntu.com/usn/USN-2936-3
- https://bugzilla.mozilla.org/show_bug.cgi?id=1223743
- https://security.gentoo.org/glsa/201701-15
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.