Buffer overflow in Mozilla Firefox
CVE-2016-5257
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4 and Thunderbird < 45.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or…
Vulnerability class: Buffer Overflow
EPSS: 0.009 (76.2th 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 — versions 45.1.0, 45.1.1, 45.2.0
- N/a — versions n/a
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_CONFIRM)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (x_refsource_CONFIRM)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- DSA-3674 (vendor-advisory, x_refsource_DEBIAN)
- security@mozilla.org (x_refsource_CONFIRM, Issue Tracking)
- GLSA-201701-15 (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2016-5257?
- CVE-2016-5257 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-2016-5257?
- Critical severity. CVSS v3 base score is 9.8 out of 10.