vulnerability

Ubuntu: (Multiple Advisories) (CVE-2021-29991): Firefox vulnerability

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
2021-08-19
Added
2021-08-20
Modified
2023-03-22

Description

Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox

Solution(s)

ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.