NetSight
critical9.8

CVE-2017-7756

A use-after-free and use-after-scope vulnerability when logging errors from headers for XML HTTP Requests (XHR).

Impact

A use-after-free and use-after-scope vulnerability when logging errors from headers for XML HTTP Requests (XHR). This could result in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Affected products

VendorProductAffected versions
MozillaFirefox
before 52.2.0
before 54.0
MozillaThunderbird
before 52.2.0
DebianDebian Linux
Versions 8.0, 9.0

Weakness classification

References