VulnerabilityModified
CVE-2016-5256
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
CRITICAL 9.8EPSS 3.84%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.84% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- http://www.mozilla.org/security/announce/2016/mfsa2016-85.htmlVendor Advisory
- http://www.securityfocus.com/bid/93052
- http://www.securitytracker.com/id/1036852
- https://bugzilla.mozilla.org/show_bug.cgi?id=1268034Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1276413Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1282746Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1290244Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1296078Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1296087Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1297099Issue Tracking
- https://security.gentoo.org/glsa/201701-15
- http://www.mozilla.org/security/announce/2016/mfsa2016-85.htmlVendor Advisory
- http://www.securityfocus.com/bid/93052
- http://www.securitytracker.com/id/1036852
- https://bugzilla.mozilla.org/show_bug.cgi?id=1268034Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1276413Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1282746Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1290244Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1296078Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1296087Issue Tracking
- https://bugzilla.mozilla.org/show_bug.cgi?id=1297099Issue Tracking
- https://security.gentoo.org/glsa/201701-15
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.