CVE-2016-5256
9.8
CRITICAL · CVSS 3.0 · EPSS 3.8% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.84% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-09-22 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| mozilla | firefox |
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
- 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
→ the Explorer · watch your stack · NVD