CVE Request: html5lib: potential cross-site scripting vulnerablity: quote attributes that need escaping in legacy browsers

[Salvatore Bonaccorso <carnil () debian org>]

Hi

As found in
https://www.sourceclear.com/registry/security/cross-site-scripting-xss-/python/sid-3068/fix
html5lib fixed a cross-site scripting vulnerability in upstream
version 0.99999999 with commit 

https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7

References:

https://github.com/html5lib/html5lib-python/issues/11
https://github.com/html5lib/html5lib-python/issues/12

Question about the CVE assignment for html5lib was raised as well in
https://github.com/mozilla/bleach/issues/229

Could you please assign a CVE to identify this issue?

Regards,
Salvatore