CVE-2023-27522
apache2: HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi
CVE-2023-27522 is fixed in 30 products on 1 platform, first by apache2 2.4.41-4ubuntu3.14, released March 7, 2023. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0213
82nd percentile
HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.55. Special characters in the origin response header can truncate/split the response forwarded to the client.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| apache2 · Debian 12.15 (bookworm) | 2.4.56-1 | DEBIAN-CVE-2023-27522 | Mar 7, 2023 |
| apache2 · Debian 13.5 (trixie) | 2.4.56-1 | DEBIAN-CVE-2023-27522 | Mar 7, 2023 |
| apache2 · Debian 14 | 2.4.56-1 | DEBIAN-CVE-2023-27522 | Mar 7, 2023 |
| apache2 · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.14 | apache2 2.4.41-4ubuntu3.14 | Mar 7, 2023 |
| apache2 · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.4 | apache2 2.4.52-1ubuntu4.4 | Mar 7, 2023 |
| apache2-bin · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.14 | apache2-bin 2.4.41-4ubuntu3.14 | Mar 7, 2023 |
| apache2-bin · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.4 | apache2-bin 2.4.52-1ubuntu4.4 | Mar 7, 2023 |
| apache2-data · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.14 | apache2-data 2.4.41-4ubuntu3.14 | Mar 7, 2023 |
| apache2-data · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.4 | apache2-data 2.4.52-1ubuntu4.4 | Mar 7, 2023 |
| apache2-suexec-custom · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.14 | apache2-suexec-custom 2.4.41-4ubuntu3.14 | Mar 7, 2023 |
| apache2-suexec-custom · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.4 | apache2-suexec-custom 2.4.52-1ubuntu4.4 | Mar 7, 2023 |
| apache2-suexec-pristine · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.14 | apache2-suexec-pristine 2.4.41-4ubuntu3.14 | Mar 7, 2023 |
| apache2-suexec-pristine · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.4 | apache2-suexec-pristine 2.4.52-1ubuntu4.4 | Mar 7, 2023 |
| apache2-utils · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.14 | apache2-utils 2.4.41-4ubuntu3.14 | Mar 7, 2023 |
| apache2-utils · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.4 | apache2-utils 2.4.52-1ubuntu4.4 | Mar 7, 2023 |
| httpd · RHEL 8 | 0:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| httpd · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| httpd · almalinux 8 | 2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| httpd · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| httpd · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd · ol 8 | 0:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| httpd · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| httpd · rocky 8 | 0:2.4.37-56.module+el8.8.0+1284+07ef499e.6 | RLSA-2023:5050 | Sep 19, 2023 |
| httpd-core · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| httpd-core · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| httpd-core · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd-core · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| httpd-core-debuginfo · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd-debuginfo · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd-debugsource · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd-devel · RHEL 8 | 0:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| httpd-devel · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| httpd-devel · almalinux 8 | 2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| httpd-devel · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| httpd-devel · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd-devel · ol 8 | 0:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| httpd-devel · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| httpd-filesystem · RHEL 8 | 0:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| httpd-filesystem · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| httpd-filesystem · almalinux 8 | 2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| httpd-filesystem · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| httpd-filesystem · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd-filesystem · ol 8 | 0:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| httpd-filesystem · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| httpd-manual · RHEL 8 | 0:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| httpd-manual · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| httpd-manual · almalinux 8 | 2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| httpd-manual · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| httpd-manual · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd-manual · ol 8 | 0:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| httpd-manual · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| httpd-tools · RHEL 8 | 0:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| httpd-tools · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| httpd-tools · almalinux 8 | 2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| httpd-tools · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| httpd-tools · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| httpd-tools · ol 8 | 0:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| httpd-tools · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| httpd-tools-debuginfo · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| libapache2-mod-md · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.14 | libapache2-mod-md 2.4.41-4ubuntu3.14 | Mar 7, 2023 |
| libapache2-mod-md · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.4 | libapache2-mod-md 2.4.52-1ubuntu4.4 | Mar 7, 2023 |
| libapache2-mod-proxy-uwsgi · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.14 | libapache2-mod-proxy-uwsgi 2.4.41-4ubuntu3.14 | Mar 7, 2023 |
| libapache2-mod-proxy-uwsgi · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.4 | libapache2-mod-proxy-uwsgi 2.4.52-1ubuntu4.4 | Mar 7, 2023 |
| mod_http2 · RHEL 8 | 0:1.15.7-8.module+el8.8.0+18751+b4557bca.3 | RHSA-2023:5050 | Sep 11, 2023 |
| mod_http2 · almalinux 8 | 1.15.7-8.module_el8.8.0+3554+ec1058a7.3 | ALSA-2023:5050 | Sep 11, 2023 |
| mod_http2 · ol 8 | 0:1.15.7-8.module+el8.8.0+21057+13668aee.3 | ELSA-2023-5050 | Sep 12, 2023 |
| mod_http2 · ol 9 | 0:1.15.19-5.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| mod_http2 · rocky 8 | 0:1.15.7-8.module+el8.8.0+1284+07ef499e.3 | RLSA-2023:5050 | Sep 19, 2023 |
| mod_ldap · RHEL 8 | 0:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| mod_ldap · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| mod_ldap · almalinux 8 | 2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| mod_ldap · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| mod_ldap · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_ldap · ol 8 | 0:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| mod_ldap · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| mod_ldap-debuginfo · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_lua · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| mod_lua · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| mod_lua · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_lua · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| mod_lua-debuginfo · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_md · RHEL 8 | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 | RHSA-2023:5050 | Sep 11, 2023 |
| mod_md · almalinux 8 | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2023:5050 | Sep 11, 2023 |
| mod_md · ol 8 | 1:2.0.8-8.module+el8.5.0+20475+4f6a8fd5 | ELSA-2023-5050 | Sep 12, 2023 |
| mod_md · rocky 8 | 1:2.0.8-8.module+el8.8.0+1271+9ed9553d | RLSA-2023:5050 | Sep 19, 2023 |
| mod_proxy_html · RHEL 8 | 1:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| mod_proxy_html · RHEL 9 | 1:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| mod_proxy_html · almalinux 8 | 1:2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| mod_proxy_html · almalinux 9 | 1:2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| mod_proxy_html · amzn 2023 | 1:2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_proxy_html · ol 8 | 1:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| mod_proxy_html · ol 9 | 1:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| mod_proxy_html-debuginfo · amzn 2023 | 1:2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_session · RHEL 8 | 0:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| mod_session · RHEL 9 | 0:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| mod_session · almalinux 8 | 2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| mod_session · almalinux 9 | 2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| mod_session · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_session · ol 8 | 0:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| mod_session · ol 9 | 0:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| mod_session-debuginfo · amzn 2023 | 2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_ssl · RHEL 8 | 1:2.4.37-56.module+el8.8.0+19808+379766d6.7 | RHSA-2023:5050 | Sep 11, 2023 |
| mod_ssl · RHEL 9 | 1:2.4.57-5.el9 | RHSA-2023:6403 | Nov 7, 2023 |
| mod_ssl · almalinux 8 | 1:2.4.37-56.module_el8.8.0+3605+a3cf1030.7 | ALSA-2023:5050 | Sep 11, 2023 |
| mod_ssl · almalinux 9 | 1:2.4.57-5.el9 | ALSA-2023:6403 | Nov 7, 2023 |
| mod_ssl · amzn 2023 | 1:2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
| mod_ssl · ol 8 | 1:2.4.37-56.0.1.module+el8.8.0+21159+b5186791.7 | ELSA-2023-5050 | Sep 12, 2023 |
| mod_ssl · ol 9 | 1:2.4.57-5.0.1.el9 | ELSA-2023-6403 | Nov 11, 2023 |
| mod_ssl-debuginfo · amzn 2023 | 1:2.4.56-1.amzn2023 | ALAS2023-2023-136 | Mar 20, 2023 |
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