CVE-2016-6817

The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
apacheCNA
---
---
CVEADP
---
---
CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 38%
VendorProductVersion
apachetomcat
8.5.0
apachetomcat
8.5.1
apachetomcat
8.5.2
apachetomcat
8.5.3
apachetomcat
8.5.4
apachetomcat
8.5.5
apachetomcat
8.5.6
apachetomcat
9.0.0:milestone1
apachetomcat
9.0.0:milestone10
apachetomcat
9.0.0:milestone11
apachetomcat
9.0.0:milestone2
apachetomcat
9.0.0:milestone3
apachetomcat
9.0.0:milestone4
apachetomcat
9.0.0:milestone5
apachetomcat
9.0.0:milestone6
apachetomcat
9.0.0:milestone7
apachetomcat
9.0.0:milestone8
apachetomcat
9.0.0:milestone9
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tomcat9
bullseye (security)
9.0.43-2~deb11u10
fixed
bullseye
9.0.43-2~deb11u10
fixed
bookworm
9.0.70-2
fixed
sid
9.0.95-1
fixed
trixie
9.0.95-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tomcat6
yakkety
dne
xenial
not-affected
trusty
not-affected
precise
not-affected
tomcat7
yakkety
not-affected
xenial
not-affected
trusty
not-affected
precise
not-affected
tomcat8
yakkety
not-affected
xenial
not-affected
trusty
dne
precise
dne
References