CVE-2016-2161

In Apache HTTP Server versions 2.4.0 to 2.4.23, malicious input to mod_auth_digest can cause the server to crash, and each instance continues to crash even for subsequently valid requests.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 96%
Affected Products (NVD)
VendorProductVersion
apachehttp_server
2.4.0
apachehttp_server
2.4.1
apachehttp_server
2.4.2
apachehttp_server
2.4.3
apachehttp_server
2.4.6
apachehttp_server
2.4.7
apachehttp_server
2.4.8
apachehttp_server
2.4.9
apachehttp_server
2.4.10
apachehttp_server
2.4.12
apachehttp_server
2.4.14
apachehttp_server
2.4.16
apachehttp_server
2.4.19
apachehttp_server
2.4.20
apachehttp_server
2.4.21
apachehttp_server
2.4.22
apachehttp_server
2.4.23
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bookworm
2.4.62-1~deb12u1
fixed
bookworm (security)
2.4.62-1~deb12u2
fixed
bullseye
2.4.62-1~deb11u1
fixed
bullseye (security)
2.4.62-1~deb11u2
fixed
sid
2.4.62-3
fixed
trixie
2.4.62-3
fixed
wheezy
not-affected
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
apache2
precise
not-affected
trusty
Fixed 2.4.7-1ubuntu4.15
released
xenial
Fixed 2.4.18-2ubuntu3.2
released
yakkety
Fixed 2.4.18-2ubuntu4.1
released
zesty
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
apache2
suse enterprise desktop 15 SP2
2.4.43-1.15
fixed
suse enterprise desktop 15 SP3
2.4.43-3.17.1
fixed
suse enterprise desktop 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise desktop 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise desktop 15 SP6
2.4.58-150600.3.2
fixed
suse enterprise desktop 15 SP7
2.4.62-150700.2.2
fixed
suse enterprise sap 12 SP1
2.4.16-19.1
fixed
suse enterprise sap 12 SP2
2.4.23-21.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise sap 15
2.4.33-1.28
fixed
suse enterprise sap 15 SP1
2.4.33-3.15.1
fixed
suse enterprise sap 15 SP2
2.4.43-1.15
fixed
suse enterprise sap 15 SP3
2.4.43-3.17.1
fixed
suse enterprise sap 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise sap 15 SP6
2.4.58-150600.3.2
fixed
suse enterprise sap 15 SP7
2.4.62-150700.2.2
fixed
suse enterprise server 12 SP1
2.4.16-19.1
fixed
suse enterprise server 12 SP2
2.4.23-21.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 15
2.4.33-1.28
fixed
suse enterprise server 15 SP1
2.4.33-3.15.1
fixed
suse enterprise server 15 SP2
2.4.43-1.15
fixed
suse enterprise server 15 SP3
2.4.43-3.17.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise server 15 SP6
2.4.58-150600.3.2
fixed
suse enterprise server 15 SP7
2.4.62-150700.2.2
fixed
apache2-devel
suse enterprise sap 15
2.4.33-1.28
fixed
suse enterprise sap 15 SP1
2.4.33-3.15.1
fixed
suse enterprise sap 15 SP2
2.4.43-1.15
fixed
suse enterprise sap 15 SP3
2.4.43-3.17.1
fixed
suse enterprise sap 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise sap 15 SP7
2.4.62-150700.2.1
fixed
suse enterprise server 15
2.4.33-1.28
fixed
suse enterprise server 15 SP1
2.4.33-3.15.1
fixed
suse enterprise server 15 SP2
2.4.43-1.15
fixed
suse enterprise server 15 SP3
2.4.43-3.17.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise server 15 SP7
2.4.62-150700.2.1
fixed
apache2-doc
suse enterprise sap 12 SP1
2.4.16-19.1
fixed
suse enterprise sap 12 SP2
2.4.23-21.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise sap 15
2.4.33-1.28
fixed
suse enterprise sap 15 SP1
2.4.33-3.15.1
fixed
suse enterprise sap 15 SP2
2.4.43-1.15
fixed
suse enterprise sap 15 SP3
2.4.43-3.17.1
fixed
suse enterprise sap 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise sap 15 SP7
2.4.51-150400.6.43.1
fixed
suse enterprise server 12 SP1
2.4.16-19.1
fixed
suse enterprise server 12 SP2
2.4.23-21.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 15
2.4.33-1.28
fixed
suse enterprise server 15 SP1
2.4.33-3.15.1
fixed
suse enterprise server 15 SP2
2.4.43-1.15
fixed
suse enterprise server 15 SP3
2.4.43-3.17.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise server 15 SP7
2.4.51-150400.6.43.1
fixed
apache2-example-pages
suse enterprise sap 12 SP1
2.4.16-19.1
fixed
suse enterprise sap 12 SP2
2.4.23-21.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 12 SP1
2.4.16-19.1
fixed
suse enterprise server 12 SP2
2.4.23-21.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
apache2-prefork
suse enterprise desktop 15 SP2
2.4.43-1.15
fixed
suse enterprise desktop 15 SP3
2.4.43-3.17.1
fixed
suse enterprise desktop 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise desktop 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise desktop 15 SP6
2.4.58-150600.3.2
fixed
suse enterprise desktop 15 SP7
2.4.62-150700.2.4
fixed
suse enterprise sap 12 SP1
2.4.16-19.1
fixed
suse enterprise sap 12 SP2
2.4.23-21.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise sap 15
2.4.33-1.28
fixed
suse enterprise sap 15 SP1
2.4.33-3.15.1
fixed
suse enterprise sap 15 SP2
2.4.43-1.15
fixed
suse enterprise sap 15 SP3
2.4.43-3.17.1
fixed
suse enterprise sap 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise sap 15 SP6
2.4.58-150600.3.2
fixed
suse enterprise sap 15 SP7
2.4.62-150700.2.4
fixed
suse enterprise server 12 SP1
2.4.16-19.1
fixed
suse enterprise server 12 SP2
2.4.23-21.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 15
2.4.33-1.28
fixed
suse enterprise server 15 SP1
2.4.33-3.15.1
fixed
suse enterprise server 15 SP2
2.4.43-1.15
fixed
suse enterprise server 15 SP3
2.4.43-3.17.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise server 15 SP6
2.4.58-150600.3.2
fixed
suse enterprise server 15 SP7
2.4.62-150700.2.4
fixed
apache2-utils
suse enterprise desktop 15 SP2
2.4.43-1.15
fixed
suse enterprise desktop 15 SP3
2.4.43-3.17.1
fixed
suse enterprise desktop 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise desktop 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise sap 12 SP1
2.4.16-19.1
fixed
suse enterprise sap 12 SP2
2.4.23-21.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise sap 15
2.4.33-1.28
fixed
suse enterprise sap 15 SP1
2.4.33-3.15.1
fixed
suse enterprise sap 15 SP2
2.4.43-1.15
fixed
suse enterprise sap 15 SP3
2.4.43-3.17.1
fixed
suse enterprise sap 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise sap 15 SP7
2.4.62-150700.2.4
fixed
suse enterprise server 12 SP1
2.4.16-19.1
fixed
suse enterprise server 12 SP2
2.4.23-21.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 15
2.4.33-1.28
fixed
suse enterprise server 15 SP1
2.4.33-3.15.1
fixed
suse enterprise server 15 SP2
2.4.43-1.15
fixed
suse enterprise server 15 SP3
2.4.43-3.17.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.11.1
fixed
suse enterprise server 15 SP7
2.4.62-150700.2.4
fixed
apache2-worker
suse enterprise sap 12 SP1
2.4.16-19.1
fixed
suse enterprise sap 12 SP2
2.4.23-21.1
fixed
suse enterprise sap 12 SP5
2.4.23-29.43.1
fixed
suse enterprise sap 15
2.4.33-1.28
fixed
suse enterprise sap 15 SP1
2.4.33-3.15.1
fixed
suse enterprise sap 15 SP2
2.4.43-1.15
fixed
suse enterprise sap 15 SP3
2.4.43-3.17.1
fixed
suse enterprise sap 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise sap 15 SP7
2.4.62-150700.2.4
fixed
suse enterprise server 12 SP1
2.4.16-19.1
fixed
suse enterprise server 12 SP2
2.4.23-21.1
fixed
suse enterprise server 12 SP5
2.4.23-29.43.1
fixed
suse enterprise server 15
2.4.33-1.28
fixed
suse enterprise server 15 SP1
2.4.33-3.15.1
fixed
suse enterprise server 15 SP2
2.4.43-1.15
fixed
suse enterprise server 15 SP3
2.4.43-3.17.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.4.6
fixed
suse enterprise server 15 SP7
2.4.62-150700.2.4
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
httpd
RHEL 7
0:2.4.6-45.el7_3.4
fixed
httpd-devel
RHEL 7
0:2.4.6-45.el7_3.4
fixed
httpd-manual
RHEL 7
0:2.4.6-45.el7_3.4
fixed
httpd-tools
RHEL 7
0:2.4.6-45.el7_3.4
fixed
mod
RHEL 7
1:2.4.6-45.el7_3.4
fixed
Common Weakness Enumeration
References
http://rhn.redhat.com/errata/RHSA-2017-1415.html
http://www.debian.org/security/2017/dsa-3796
http://www.securityfocus.com/bid/95076
http://www.securitytracker.com/id/1037508
https://access.redhat.com/errata/RHSA-2017:0906
https://access.redhat.com/errata/RHSA-2017:1161
https://access.redhat.com/errata/RHSA-2017:1413
https://access.redhat.com/errata/RHSA-2017:1414
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03725en_us
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-2161
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://security.gentoo.org/glsa/201701-36
https://security.netapp.com/advisory/ntap-20180423-0001/
https://support.apple.com/HT208221
https://www.tenable.com/security/tns-2017-04
http://rhn.redhat.com/errata/RHSA-2017-1415.html
http://www.debian.org/security/2017/dsa-3796
http://www.securityfocus.com/bid/95076
http://www.securitytracker.com/id/1037508
https://access.redhat.com/errata/RHSA-2017:0906
https://access.redhat.com/errata/RHSA-2017:1161
https://access.redhat.com/errata/RHSA-2017:1413
https://access.redhat.com/errata/RHSA-2017:1414
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03725en_us
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-2161
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://security.gentoo.org/glsa/201701-36
https://security.netapp.com/advisory/ntap-20180423-0001/
https://support.apple.com/HT208221
https://www.tenable.com/security/tns-2017-04