Buffer overflow in Mozilla Firefox
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.
Vulnerability class: Buffer Overflow
EPSS: 0.017 (82.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mozilla Firefox
- N/a — versions n/a
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- 93052 (vdb-entry, x_refsource_BID)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- GLSA-201701-15 (vendor-advisory, x_refsource_GENTOO)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
Frequently asked questions
- What is CVE-2016-5256?
- CVE-2016-5256 is a critical-severity vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-09-22.
- How severe is CVE-2016-5256?
- Critical severity. CVSS v3 base score is 9.8 out of 10.