description: A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox < 58.
problem types: Use-after-free in Web Workers
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 58, status: affected, version: unspecified, versionType: custom
}