CVE-2016-5291: Input Validation

Reference Links

• https://bugzilla.mozilla.org/show_bug.cgi?id=1292159
• https://www.mozilla.org/en-US/security/advisories/mfsa2016-93/
• https://www.mozilla.org/en-US/security/advisories/mfsa2016-89/
• https://www.mozilla.org/en-US/security/advisories/mfsa2016-90/
• http://rhn.redhat.com/errata/RHSA-2016-2780.html
• http://www.securityfocus.com/bid/94336
• http://www.securitytracker.com/id/1037298
• https://security.gentoo.org/glsa/201701-15
• https://www.debian.org/security/2016/dsa-3730
• https://www.mozilla.org/security/advisories/mfsa2016-89/
• https://www.mozilla.org/security/advisories/mfsa2016-90/
• https://www.mozilla.org/security/advisories/mfsa2016-93/
• https://security-tracker.debian.org/tracker/CVE-2016-5291

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2016-93
• MFSA2016-90
• MFSA2016-89

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2016-5296
• CVE-2016-5294
• CVE-2016-5297
• CVE-2016-9066
• CVE-2016-5291
• CVE-2016-9074
• CVE-2016-5290
• CVE-2016-5293
• CVE-2016-9064
• CVE-2016-5292
• CVE-2016-9065
• CVE-2016-9067
• CVE-2016-9068
• CVE-2016-9072
• CVE-2016-9075
• CVE-2016-9077
• CVE-2016-5295
• CVE-2016-5298
• CVE-2016-5299
• CVE-2016-9061
• CVE-2016-9062
• CVE-2016-9070
• CVE-2016-9073
• CVE-2016-9076
• CVE-2016-9063
• CVE-2016-9071
• CVE-2016-5289

Frequently Asked Questions

• What is CVE-2016-5291?

  CVE-2016-5291 is a vulnerability that allows a same-origin policy bypass with local shortcut files to load arbitrary local content from disk.

• Which software is affected by CVE-2016-5291?

  CVE-2016-5291 affects Mozilla Thunderbird version up to 45.5, Mozilla Firefox version up to 50, and Mozilla Firefox ESR version up to 45.5.

• What is the severity of CVE-2016-5291?

  CVE-2016-5291 has a severity level of medium (4).

• How can I fix CVE-2016-5291?

  To fix CVE-2016-5291, update Mozilla Thunderbird to version 45.5, update Mozilla Firefox to version 50, or update Mozilla Firefox ESR to version 45.5.

• Where can I find more information about CVE-2016-5291?

  You can find more information about CVE-2016-5291 on the Mozilla Bugzilla website (https://bugzilla.mozilla.org/show_bug.cgi?id=1292159) and the Mozilla Security Advisories (https://www.mozilla.org/en-US/security/advisories/mfsa2016-93/ and https://www.mozilla.org/en-US/security/advisories/mfsa2016-89/).