Vulnerability Details : CVE-2016-5255
Use-after-free vulnerability in the js::PreliminaryObjectArray::sweep function in Mozilla Firefox before 48.0 allows remote attackers to execute arbitrary code via crafted JavaScript that is mishandled during incremental garbage collection.
Vulnerability category: Memory CorruptionExecute code
Exploit prediction scoring system (EPSS) score for CVE-2016-5255
Probability of exploitation activity in the next 30 days: 3.64%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 90 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-5255
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2016-5255
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Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-5255
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http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
[security-announce] openSUSE-SU-2016:2026-1: important: Security update
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https://security.gentoo.org/glsa/201701-15
Mozilla Firefox, Thunderbird: Multiple vulnerabilities (GLSA 201701-15) — Gentoo security
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https://bugzilla.mozilla.org/show_bug.cgi?id=1212356
1212356 - (CVE-2016-5255) crash in js::PreliminaryObjectArray::sweep()Issue Tracking;Permissions Required
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http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
[security-announce] openSUSE-SU-2016:1964-1: important: Security update
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http://www.securityfocus.com/bid/92260
Mozilla Firefox Multiple Security Vulnerabilities
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http://www.ubuntu.com/usn/USN-3044-1
USN-3044-1: Firefox vulnerabilities | Ubuntu security notices
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http://www.mozilla.org/security/announce/2016/mfsa2016-71.html
Crash in incremental garbage collection in JavaScript — MozillaVendor Advisory
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http://www.securitytracker.com/id/1036508
Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Spoof Content, Modify Files, and Obtain Potentially Sensitive Information - SecurityTracker
Products affected by CVE-2016-5255
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*