A buffer overflow can occur in Firefox before 61.0 and Thunderbird before 52.9 when rendering canvas content while adjusting the height and width of the <canvas> element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash.
A buffer overflow can occur in Firefox before 61.0 and Thunderbird before 52.9 when rendering canvas content while adjusting the height and width of the <canvas> element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash.
https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-12359 https://bugzilla.mozilla.org/show_bug.cgi?id=1459162
Vulmon