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redhatcveRedhat.comRH:CVE-2021-34798
HistorySep 16, 2021 - 9:57 p.m.

CVE-2021-34798

2021-09-1621:57:58
redhat.com
access.redhat.com
73

0.005 Low

EPSS

Percentile

75.6%

JSON

A NULL pointer dereference in httpd allows an unauthenticated remote attacker to crash httpd by providing malformed HTTP requests. The highest threat from this vulnerability is to system availability.

Mitigation

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example.

Related

osv 7
cvelist 1
debiancve 1
f5 1
cnvd 1
cve 1
veracode 1
prion 1
ibm 15
nessus 51
alpinelinux 1
httpd 1
cbl_mariner 2
ubuntucve 1
oraclelinux 4
redhat 5
rocky 1
almalinux 1
openvas 34
ics 2
ubuntu 3
photon 5
centos 1
slackware 1
altlinux 2
kaspersky 1
cisco 1
freebsd 1
mageia 1
rosalinux 2
amazon 2
fedora 2
gentoo 1
oracle 4
osv
osv
CVE-2021-34798
2021-09-16 15:15:07
BIT-apache-2021-34798
2024-03-06 10:55:30
Moderate: httpd:2.4 security update
2022-03-15 09:10:44
cvelist
cvelist
CVE-2021-34798 NULL pointer dereference in httpd core
2021-09-16 14:40:17
debiancve
debiancve
CVE-2021-34798
2021-09-16 15:15:00
f5
f5
K72382141 : Apache HTTPD vulnerability CVE-2021-34798
2021-10-13 00:00:00
cnvd
cnvd
Apache HTTP Server code issue vulnerability
2021-09-22 00:00:00
cve
cve
CVE-2021-34798
2021-09-16 15:15:00
veracode
veracode
Denial Of Service (DoS)
2021-09-19 21:02:16
prion
prion
Null pointer dereference
2021-09-16 15:15:00
ibm
ibm
Security Bulletin: IBM Rational Build Forge 8.0.x is affected by Apache HTTP Server version used in it. (CVE-2021-34798)
2022-01-17 17:46:22
Security Bulletin: IBM Aspera Orchestrator was vulnerable to denial of service due to an Apache HTTP Server vulnerability (CVE-2021-34798)
2023-02-02 17:40:12
Security Bulletin: Vulnerabilities in Apache HTTP (CVE-2021-34798 and CVE-2021-39275) affects Power HMC
2022-05-30 11:54:08
nessus
nessus
F5 Networks BIG-IP : Apache HTTPD vulnerability (K72382141)
2021-10-28 00:00:00
Oracle Linux 8 : httpd:2.4 (ELSA-2022-9005)
2022-01-05 00:00:00
Oracle Linux 8 : httpd:2.4 (ELSA-2022-0891)
2022-03-16 00:00:00
alpinelinux
alpinelinux
CVE-2021-34798
2021-09-16 15:15:00
httpd
httpd
Apache Httpd < 2.4.49 : NULL pointer dereference in httpd core
2021-09-16 00:00:00
cbl_mariner
cbl_mariner
CVE-2021-34798 affecting package httpd for versions less than 2.4.52-1
2022-04-09 06:51:57
CVE-2021-34798 affecting package httpd 2.4.46-6
2021-10-15 04:46:31
ubuntucve
ubuntucve
CVE-2021-34798
2021-09-16 00:00:00
oraclelinux
oraclelinux
httpd security update
2021-12-16 00:00:00
httpd:2.4 security update
2022-03-16 00:00:00
httpd:2.4 security update
2022-01-06 00:00:00
redhat
redhat
(RHSA-2022:0891) Moderate: httpd:2.4 security update
2022-03-15 09:10:44
(RHSA-2022:0143) Important: httpd security update
2022-01-17 08:16:34
(RHSA-2021:4614) Moderate: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP10 security update
2021-11-10 17:10:19
rocky
rocky
httpd:2.4 security update
2022-03-15 09:10:44
almalinux
almalinux
Moderate: httpd:2.4 security update
2022-03-15 09:10:44
openvas
openvas
Apache HTTP Server < 2.4.49 Multiple Vulnerabilities - Windows
2021-09-17 00:00:00
Apache HTTP Server < 2.4.49 Multiple Vulnerabilities - Linux
2021-09-17 00:00:00
Ubuntu: Security Advisory (USN-5090-2)
2022-08-26 00:00:00
ics
ics
Siemens Apache HTTP Server (Update A)
2022-10-13 12:00:00
Mitsubishi Electric MELSOFT iQ AppPortal
2022-05-12 12:00:00
ubuntu
ubuntu
Apache HTTP Server vulnerabilities
2021-09-27 00:00:00
Apache HTTP Server regression
2021-09-28 00:00:00
Apache HTTP Server regression
2021-09-28 00:00:00
photon
photon
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-1.0-0437
2021-10-01 00:00:00
Critical Photon OS Security Update - PHSA-2021-0309
2021-10-01 00:00:00
Critical Photon OS Security Update - PHSA-2021-3.0-0309
2021-10-02 00:00:00
centos
centos
httpd, mod_ldap, mod_proxy_html, mod_session, mod_ssl security update
2022-01-25 17:31:14
slackware
slackware
[slackware-security] httpd
2021-09-17 04:22:20
altlinux
altlinux
Security fix for the ALT Linux 9 package apache2 version 1:2.4.49-alt1
2021-09-23 00:00:00
Security fix for the ALT Linux 10 package apache2 version 1:2.4.49-alt1
2021-10-04 00:00:00
kaspersky
kaspersky
KLA12370 Multiple vulnerabilities in Apache HTTP Server
2021-09-16 00:00:00
cisco
cisco
Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021
2021-11-24 16:00:00
freebsd
freebsd
Apache httpd -- multiple vulnerabilities
2021-09-16 00:00:00
mageia
mageia
Updated apache packages fix security vulnerability
2021-09-23 07:49:29
rosalinux
rosalinux
Advisory ROSA-SA-2023-2158
2023-04-25 11:30:17
Advisory ROSA-SA-2023-2159
2023-04-25 11:49:15
amazon
amazon
Important: httpd24
2021-10-15 07:52:00
Important: httpd
2021-10-15 07:57:00
fedora
fedora
[SECURITY] Fedora 34 Update: httpd-2.4.49-1.fc34
2021-09-20 13:58:04
[SECURITY] Fedora 35 Update: httpd-2.4.49-1.fc35
2021-09-24 20:56:12
gentoo
gentoo
Apache HTTPD: Multiple Vulnerabilities
2022-08-14 00:00:00
oracle
oracle
Oracle Critical Patch Update Advisory - October 2022
2022-10-18 00:00:00
Oracle Critical Patch Update Advisory - January 2022
2022-01-18 00:00:00
Oracle Critical Patch Update Advisory - April 2023
2023-04-18 00:00:00

0.005 Low

EPSS

Percentile

75.6%

JSON
Related for RH:CVE-2021-34798
osv7cvelist1debiancve1f51cnvd1cve1veracode1prion1ibm15nessus51alpinelinux1httpd1cbl_mariner2ubuntucve1oraclelinux4redhat5rocky1almalinux1openvas34ics2ubuntu3photon5centos1slackware1altlinux2kaspersky1cisco1freebsd1mageia1rosalinux2amazon2fedora2gentoo1oracle4