A use after-free and use-after-scope vulnerability has been found in Firefox < 54.0 and Thunderbird < 52.2, when logging errors from headers for XML HTTP Requests (XHR).
A use after-free and use-after-scope vulnerability has been found in Firefox < 54.0 and Thunderbird < 52.2, when logging errors from headers for XML HTTP Requests (XHR).
https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/#CVE-2017-7756 https://bugzilla.mozilla.org/show_bug.cgi?id=1366595