CVE-2016-2161: Input Validation
apache. Multiple issues existed in Apache. These were addressed by updating Apache to version 2.4.25.
Other sources
apache. Multiple issues were addressed by updating to version 2.4.27.
In Apache HTTP Server versions 2.4.0 to 2.4.23, malicious input to modauthdigest can cause the server to crash, and each instance continues to crash even for subsequently valid requests.
— MITRE
It was found that malicious input to modauthdigest will cause the server to crash, and each instance continues to crash even for subsequently valid requests.
Affects versions 2.4.x up to 2.4.23
External Reference:
https://httpd.apache.org/security/vulnerabilities24.html#2.4.25
— Red Hat
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2017-13832
- CVE-2016-0736
- CVE-2016-2161
- CVE-2016-5387
- CVE-2016-8740
- CVE-2016-8743
- CVE-2017-13909
- CVE-2017-13809
- CVE-2017-7084
- CVE-2017-7074
- CVE-2017-13820
- CVE-2017-13807
- CVE-2017-7143
- CVE-2017-13829
- CVE-2017-13833
- CVE-2017-7083
- CVE-2017-13821
- CVE-2017-0381
- CVE-2017-13825
- CVE-2017-13890
- CVE-2017-13851
- CVE-2017-7138
- CVE-2017-7121
- CVE-2017-7122
- CVE-2017-7123
- CVE-2017-7124
- CVE-2017-7125
- CVE-2017-7126
- CVE-2017-13815
- CVE-2017-13828
- CVE-2017-13811
- CVE-2017-13835
- CVE-2017-11103
- CVE-2017-13819
- CVE-2017-13830
- CVE-2017-13814
- CVE-2017-13831
- CVE-2017-13837
- CVE-2017-13906
- CVE-2017-7077
- CVE-2017-7119
- CVE-2017-7114
- CVE-2017-13810
- CVE-2017-13817
- CVE-2017-13818
- CVE-2017-13836
- CVE-2017-13841
- CVE-2017-13840
- CVE-2017-13842
- CVE-2017-13782
- CVE-2017-13843
- CVE-2017-13854
- CVE-2017-13834
- CVE-2017-13873
- CVE-2017-13827
- CVE-2017-13813
- CVE-2017-13816
- CVE-2017-13812
- CVE-2016-4736
- CVE-2017-7086
- CVE-2017-1000373
- CVE-2016-9063
- CVE-2017-9233
- CVE-2018-4302
- CVE-2017-5130
- CVE-2017-7376
- CVE-2017-9050
- CVE-2017-9049
- CVE-2017-7141
- CVE-2017-7078
- CVE-2017-6451
- CVE-2017-6452
- CVE-2017-6455
- CVE-2017-6458
- CVE-2017-6459
- CVE-2017-6460
- CVE-2017-6462
- CVE-2017-6463
- CVE-2017-6464
- CVE-2016-9042
- CVE-2017-13824
- CVE-2017-13846
- CVE-2017-10140
- CVE-2017-13822
- CVE-2017-7132
- CVE-2017-13823
- CVE-2017-13808
- CVE-2017-13838
- CVE-2017-7082
- CVE-2017-7080
- CVE-2017-13908
- CVE-2017-13839
- CVE-2017-13910
- CVE-2017-10989
- CVE-2017-7128
- CVE-2017-7129
- CVE-2017-7130
- CVE-2017-7127
- CVE-2016-9840
- CVE-2016-9841
- CVE-2016-9842
- CVE-2016-9843
- CVE-2017-3167
- CVE-2017-3169
- CVE-2017-7659
- CVE-2017-7668
- CVE-2017-7679
- CVE-2017-9788
- CVE-2017-9789
- CVE-2017-13786
- CVE-2017-13800
- CVE-2017-1000100
- CVE-2017-1000101
- CVE-2017-13801
- CVE-2017-13799
- CVE-2017-13852
- CVE-2017-5969
- CVE-2018-4390
- CVE-2018-4391
- CVE-2017-13907
- CVE-2017-7170
- CVE-2017-7150
- CVE-2017-13804
- CVE-2017-11108
- CVE-2017-11541
- CVE-2017-11542
- CVE-2017-11543
- CVE-2017-12893
- CVE-2017-12894
- CVE-2017-12895
- CVE-2017-12896
- CVE-2017-12897
- CVE-2017-12898
- CVE-2017-12899
- CVE-2017-12900
- CVE-2017-12901
- CVE-2017-12902
- CVE-2017-12985
- CVE-2017-12986
- CVE-2017-12987
- CVE-2017-12988
- CVE-2017-12989
- CVE-2017-12990
- CVE-2017-12991
- CVE-2017-12992
- CVE-2017-12993
- CVE-2017-12994
- CVE-2017-12995
- CVE-2017-12996
- CVE-2017-12997
- CVE-2017-12998
- CVE-2017-12999
- CVE-2017-13000
- CVE-2017-13001
- CVE-2017-13002
- CVE-2017-13003
- CVE-2017-13004
- CVE-2017-13005
- CVE-2017-13006
- CVE-2017-13007
- CVE-2017-13008
- CVE-2017-13009
- CVE-2017-13010
- CVE-2017-13011
- CVE-2017-13012
- CVE-2017-13013
- CVE-2017-13014
- CVE-2017-13015
- CVE-2017-13016
- CVE-2017-13017
- CVE-2017-13018
- CVE-2017-13019
- CVE-2017-13020
- CVE-2017-13021
- CVE-2017-13022
- CVE-2017-13023
- CVE-2017-13024
- CVE-2017-13025
- CVE-2017-13026
- CVE-2017-13027
- CVE-2017-13028
- CVE-2017-13029
- CVE-2017-13030
- CVE-2017-13031
- CVE-2017-13032
- CVE-2017-13033
- CVE-2017-13034
- CVE-2017-13035
- CVE-2017-13036
- CVE-2017-13037
- CVE-2017-13038
- CVE-2017-13039
- CVE-2017-13040
- CVE-2017-13041
- CVE-2017-13042
- CVE-2017-13043
- CVE-2017-13044
- CVE-2017-13045
- CVE-2017-13046
- CVE-2017-13047
- CVE-2017-13048
- CVE-2017-13049
- CVE-2017-13050
- CVE-2017-13051
- CVE-2017-13052
- CVE-2017-13053
- CVE-2017-13054
- CVE-2017-13055
- CVE-2017-13687
- CVE-2017-13688
- CVE-2017-13689
- CVE-2017-13690
- CVE-2017-13725
- CVE-2017-13077
- CVE-2017-13078
- CVE-2017-13080
Frequently Asked Questions
What is CVE-2016-2161?
CVE-2016-2161 is a vulnerability in Apache HTTP Server that allows malicious input to cause the server to crash.
How severe is CVE-2016-2161?
CVE-2016-2161 has a severity rating of 7.5 (high).
Which versions of Apache HTTP Server are affected by CVE-2016-2161?
Versions 2.4.0 to 2.4.23 of Apache HTTP Server are affected by CVE-2016-2161.
How do I fix CVE-2016-2161?
To fix CVE-2016-2161, update Apache HTTP Server to version 2.4.25 or later.
Where can I find more information about CVE-2016-2161?
You can find more information about CVE-2016-2161 on the Apache HTTP Server website and the Red Hat Bugzilla page.