CVE-2016-5256: Buffer Overflow

Reference Links

• http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
• 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
• http://www.securityfocus.com/bid/93052
• https://security.gentoo.org/glsa/201701-15
• http://www.securitytracker.com/id/1036852
• https://launchpad.net/bugs/cve/CVE-2016-5256
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1290244%2C1282746%2C1268034%2C1296078%2C1297099%2C1276413%2C1296087
• https://www.mozilla.org/en-US/security/advisories/mfsa2016-85/
• https://security-tracker.debian.org/tracker/CVE-2016-5256
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5256
• https://nvd.nist.gov/vuln/detail/CVE-2016-5256
• https://ubuntu.com/security/CVE-2016-5256

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2016-85

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2016-2827
• CVE-2016-5270
• CVE-2016-5271
• CVE-2016-5272
• CVE-2016-5273
• CVE-2016-5276
• CVE-2016-5274
• CVE-2016-5277
• CVE-2016-5275
• CVE-2016-5278
• CVE-2016-5279
• CVE-2016-5280
• CVE-2016-5281
• CVE-2016-5282
• CVE-2016-5283
• CVE-2016-5284
• CVE-2016-5256
• CVE-2016-5257

Frequently Asked Questions

• What is CVE-2016-5256?

  CVE-2016-5256 is a vulnerability in Mozilla Firefox before version 49.0 that allows remote attackers to run arbitrary code.

• How severe is CVE-2016-5256?

  CVE-2016-5256 has a severity level of critical, with a severity value of 9.

• Which versions of Mozilla Firefox are affected by CVE-2016-5256?

  Mozilla Firefox versions before 49.0 are affected by CVE-2016-5256.

• How can I fix CVE-2016-5256?

  To fix CVE-2016-5256, update Mozilla Firefox to version 49.0 or higher.

• Where can I find more information about CVE-2016-5256?

  You can find more information about CVE-2016-5256 at the following references: [Bugzilla](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1290244%2C1282746%2C1268034%2C1296078%2C1297099%2C1276413%2C1296087), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2016-85/), [Mozilla Security Announcements](http://www.mozilla.org/security/announce/2016/mfsa2016-85.html).