Ubuntu update for firefox
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-29952 |
| CWE-ID | CWE-362 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system firefox (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Race condition
EUVDB-ID: #VU52899
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-29952
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition in Web Render components. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code on the system.
Update the affected package firefox to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 21.04
firefox (Ubuntu package): before 88.0.1+build1-0ubuntu0.21.04.2
External linkshttp://ubuntu.com/security/notices/USN-4942-1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
