CVE-2016-5256

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-09-22 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Mozilla Firefox: through 48.0.2

References

http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
http://www.securityfocus.com/bid/93052
http://www.securitytracker.com/id/1036852
https://bugzilla.mozilla.org/show_bug.cgi?id=1268034
https://bugzilla.mozilla.org/show_bug.cgi?id=1276413
https://bugzilla.mozilla.org/show_bug.cgi?id=1282746
https://bugzilla.mozilla.org/show_bug.cgi?id=1290244
https://bugzilla.mozilla.org/show_bug.cgi?id=1296078
https://bugzilla.mozilla.org/show_bug.cgi?id=1296087
https://bugzilla.mozilla.org/show_bug.cgi?id=1297099
https://security.gentoo.org/glsa/201701-15
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html

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