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CVE-2018-12359 A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element…

Description

A buffer overflow can occur 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. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Affected products and versions

Product Affected versions Fixed in
Thunderbird 60 earliest → < 60 60
Thunderbird 52.9 earliest → < 52.9 52.9
Firefox ESR 60.1 earliest → < 60.1 60.1
Firefox ESR 52.9 earliest → < 52.9 52.9
Firefox 61 earliest → < 61 61

References

Timeline

  1. Published
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