CVE-2021-35053

high

Description

Possible system denial of service in case of arbitrary changing Firefox browser parameters. An attacker could change specific Firefox browser parameters file in a certain way and then reboot the system to make the system unbootable.

References

Advisories
More

https://www.zerodayinitiative.com/advisories/ZDI-22-431/

https://www.zerodayinitiative.com/advisories/ZDI-21-1280/

https://support.kaspersky.com/general/vulnerability.aspx?el=12430#01112021

Details

Source: Mitre, NVD

Published: 2021-11-03

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H