CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
53.0%
It was discovered that Firefox could be made to incorrectly accept
newlines in HTTP/3 response headers. If a user were tricked into
opening a specially crafted website, an attacker could exploit this
to conduct header splitting attacks.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 21.04 | noarch | firefox | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-dbg | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-dev | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-geckodriver | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-locale-af | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-locale-an | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-locale-ar | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-locale-as | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-locale-ast | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
Ubuntu | 21.04 | noarch | firefox-locale-az | < 91.0.1+build1-0ubuntu0.21.04.1 | UNKNOWN |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
53.0%