CVE-2016-5290

moderate-risk

Published 2018-06-11

Memory safety bugs were reported in Firefox 49 and Firefox ESR 45.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

Do I need to act?

1.9% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (3)

Firefox

Thunderbird

Debian Linux

Affected Vendors

Debian Mozilla

References (20)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2780.html

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-2825.html

Third Party Advisory http://www.securityfocus.com/bid/94335

Third Party Advisory http://www.securitytracker.com/id/1037298

Vendor Advisory https://bugzilla.mozilla.org/buglist.cgi?bug_id=1309720%2C1297062%2C1303710%2C10...

Third Party Advisory https://security.gentoo.org/glsa/201701-15

Third Party Advisory https://www.debian.org/security/2016/dsa-3730

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-89/

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-90/

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2016-93/