This was fixed in https://ubuntu.com/security/notices/USN-5309-1 for focal and newer; it is unfixed in bionic where virglrenderer is community maintained.
(Edited to fix USN URL.)
This was fixed in https:/ /ubuntu. com/security/ notices/ USN-5309- 1 for focal and newer; it is unfixed in bionic where virglrenderer is community maintained.
(Edited to fix USN URL.)