CVE-2021-34798
httpd-filesystem: The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix(es...
CVE-2021-34798 is fixed in 19 products on 1 platform, first by apache2 2.4.29-1ubuntu4.17, released September 16, 2021. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.1
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.6451
99th percentile
The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix(es): * httpd: NULL pointer dereference via malformed requests (CVE-2021-34798) * httpd: Out-of-bounds write in ap_escape_quotes() via malicious input (CVE-2021-39275) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| apache2 · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.17 | apache2 2.4.29-1ubuntu4.17 | Sep 16, 2021 |
| apache2 · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.5 | apache2 2.4.41-4ubuntu3.5 | Sep 16, 2021 |
| apache2-bin · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.17 | apache2-bin 2.4.29-1ubuntu4.17 | Sep 16, 2021 |
| apache2-bin · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.5 | apache2-bin 2.4.41-4ubuntu3.5 | Sep 16, 2021 |
| apache2-data · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.17 | apache2-data 2.4.29-1ubuntu4.17 | Sep 16, 2021 |
| apache2-data · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.5 | apache2-data 2.4.41-4ubuntu3.5 | Sep 16, 2021 |
| apache2-suexec-custom · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.17 | apache2-suexec-custom 2.4.29-1ubuntu4.17 | Sep 16, 2021 |
| apache2-suexec-custom · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.5 | apache2-suexec-custom 2.4.41-4ubuntu3.5 | Sep 16, 2021 |
| apache2-suexec-pristine · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.17 | apache2-suexec-pristine 2.4.29-1ubuntu4.17 | Sep 16, 2021 |
| apache2-suexec-pristine · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.5 | apache2-suexec-pristine 2.4.41-4ubuntu3.5 | Sep 16, 2021 |
| apache2-utils · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.17 | apache2-utils 2.4.29-1ubuntu4.17 | Sep 16, 2021 |
| apache2-utils · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.5 | apache2-utils 2.4.41-4ubuntu3.5 | Sep 16, 2021 |
| httpd · RHEL 8 | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| httpd · almalinux 8 | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| httpd · ol 8 | 0:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
| httpd · rocky 8 | 0:2.4.37-43.module+el8.5.0+714+5ec56ee8 | RLSA-2022:0891 | Mar 15, 2022 |
| httpd-devel · RHEL 8 | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| httpd-devel · almalinux 8 | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| httpd-devel · ol 8 | 0:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
| httpd-filesystem · RHEL 8 | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| httpd-filesystem · almalinux 8 | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| httpd-filesystem · ol 8 | 0:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
| httpd-manual · RHEL 8 | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| httpd-manual · almalinux 8 | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| httpd-manual · ol 8 | 0:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
| httpd-tools · RHEL 8 | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| httpd-tools · almalinux 8 | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| httpd-tools · ol 8 | 0:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
| libapache2-mod-md · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.5 | libapache2-mod-md 2.4.41-4ubuntu3.5 | Sep 16, 2021 |
| libapache2-mod-proxy-uwsgi · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.5 | libapache2-mod-proxy-uwsgi 2.4.41-4ubuntu3.5 | Sep 16, 2021 |
| mod_http2 · RHEL 8 | 0:1.15.7-3.module+el8.4.0+8625+d397f3da | RHSA-2022:0891 | Mar 15, 2022 |
| mod_http2 · ol 8 | 0:1.15.7-3.module+el8.4.0+20024+b87b2deb | ELSA-2022-0891 | Mar 16, 2022 |
| mod_http2 · rocky 8 | 0:1.15.7-3.module+el8.4.0+553+7a69454b | RLSA-2022:0891 | Mar 15, 2022 |
| mod_ldap · RHEL 8 | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| mod_ldap · almalinux 8 | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| mod_ldap · ol 8 | 0:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
| mod_md · RHEL 8 | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 | RHSA-2022:0891 | Mar 15, 2022 |
| mod_md · almalinux 8 | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2022:0891 | Mar 15, 2022 |
| mod_md · ol 8 | 1:2.0.8-8.module+el8.5.0+20475+4f6a8fd5 | ELSA-2022-0891 | Mar 16, 2022 |
| mod_md · rocky 8 | 1:2.0.8-8.module+el8.5.0+695+1fa8055e | RLSA-2022:0891 | Mar 15, 2022 |
| mod_proxy_html · RHEL 8 | 1:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| mod_proxy_html · almalinux 8 | 1:2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| mod_proxy_html · ol 8 | 1:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
| mod_session · RHEL 8 | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| mod_session · almalinux 8 | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| mod_session · ol 8 | 0:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
| mod_ssl · RHEL 8 | 1:2.4.37-43.module+el8.5.0+14370+51c6d843.2 | RHSA-2022:0891 | Mar 15, 2022 |
| mod_ssl · almalinux 8 | 1:2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma | ALSA-2022:0891 | Mar 15, 2022 |
| mod_ssl · ol 8 | 1:2.4.37-43.0.2.module+el8.5.0+20518+d9453e37.2 | ELSA-2022-0891 | Mar 16, 2022 |
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