CVE-2025-49630
Apache HTTP Server: mod_proxy_http2 denial of service
CVE-2025-49630 is fixed in 35 products on 1 platform, first by apache2 2.4.29-1ubuntu4.27+esm6, released July 10, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0135
71st percentile
Fixed denial of service can be triggered by untrusted clients causing an assertion in mod_proxy_http2. (bsc#1246307)
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| apache2 · Debian 12.15 (bookworm) | 2.4.65-1~deb12u1 | DEBIAN-CVE-2025-49630 | Jul 10, 2025 |
| apache2 · Debian 13.5 (trixie) | 2.4.64-1 | DEBIAN-CVE-2025-49630 | Jul 10, 2025 |
| apache2 · Debian 14 | 2.4.64-1 | DEBIAN-CVE-2025-49630 | Jul 10, 2025 |
| apache2 · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm6 | apache2 2.4.29-1ubuntu4.27+esm6 | Jul 10, 2025 |
| apache2 · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm2 | apache2 2.4.41-4ubuntu3.23+esm2 | Jul 10, 2025 |
| apache2 · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.15 | apache2 2.4.52-1ubuntu4.15 | Jul 10, 2025 |
| apache2 · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.7 | apache2 2.4.58-1ubuntu8.7 | Jul 10, 2025 |
| apache2 · Ubuntu 25.04 (plucky) | 2.4.63-1ubuntu1.1 | apache2 2.4.63-1ubuntu1.1 | Jan 16, 2026 |
| apache2 · opensuse-leap 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2 · sles 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2 · sles 15.7 | 2.4.62-150700.4.3.1 | SUSE-SU-2025:02685-1 | Aug 4, 2025 |
| apache2-bin · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm6 | apache2-bin 2.4.29-1ubuntu4.27+esm6 | Jul 10, 2025 |
| apache2-bin · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm2 | apache2-bin 2.4.41-4ubuntu3.23+esm2 | Jul 10, 2025 |
| apache2-bin · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.15 | apache2-bin 2.4.52-1ubuntu4.15 | Jul 10, 2025 |
| apache2-bin · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.7 | apache2-bin 2.4.58-1ubuntu8.7 | Jul 10, 2025 |
| apache2-bin · Ubuntu 25.04 (plucky) | 2.4.63-1ubuntu1.1 | apache2-bin 2.4.63-1ubuntu1.1 | Jan 16, 2026 |
| apache2-data · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm6 | apache2-data 2.4.29-1ubuntu4.27+esm6 | Jul 10, 2025 |
| apache2-data · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm2 | apache2-data 2.4.41-4ubuntu3.23+esm2 | Jul 10, 2025 |
| apache2-data · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.15 | apache2-data 2.4.52-1ubuntu4.15 | Jul 10, 2025 |
| apache2-data · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.7 | apache2-data 2.4.58-1ubuntu8.7 | Jul 10, 2025 |
| apache2-data · Ubuntu 25.04 (plucky) | 2.4.63-1ubuntu1.1 | apache2-data 2.4.63-1ubuntu1.1 | Jan 16, 2026 |
| apache2-devel · opensuse-leap 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-devel · sles 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-devel · sles 15.7 | 2.4.62-150700.4.3.1 | SUSE-SU-2025:02685-1 | Aug 4, 2025 |
| apache2-event · opensuse-leap 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-event · sles 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-event · sles 15.7 | 2.4.62-150700.4.3.1 | SUSE-SU-2025:02685-1 | Aug 4, 2025 |
| apache2-manual · opensuse-leap 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-prefork · opensuse-leap 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-prefork · sles 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-prefork · sles 15.7 | 2.4.62-150700.4.3.1 | SUSE-SU-2025:02685-1 | Aug 4, 2025 |
| apache2-suexec-custom · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm6 | apache2-suexec-custom 2.4.29-1ubuntu4.27+esm6 | Jul 10, 2025 |
| apache2-suexec-custom · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm2 | apache2-suexec-custom 2.4.41-4ubuntu3.23+esm2 | Jul 10, 2025 |
| apache2-suexec-custom · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.15 | apache2-suexec-custom 2.4.52-1ubuntu4.15 | Jul 10, 2025 |
| apache2-suexec-custom · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.7 | apache2-suexec-custom 2.4.58-1ubuntu8.7 | Jul 10, 2025 |
| apache2-suexec-custom · Ubuntu 25.04 (plucky) | 2.4.63-1ubuntu1.1 | apache2-suexec-custom 2.4.63-1ubuntu1.1 | Jan 16, 2026 |
| apache2-suexec-pristine · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm6 | apache2-suexec-pristine 2.4.29-1ubuntu4.27+esm6 | Jul 10, 2025 |
| apache2-suexec-pristine · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm2 | apache2-suexec-pristine 2.4.41-4ubuntu3.23+esm2 | Jul 10, 2025 |
| apache2-suexec-pristine · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.15 | apache2-suexec-pristine 2.4.52-1ubuntu4.15 | Jul 10, 2025 |
| apache2-suexec-pristine · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.7 | apache2-suexec-pristine 2.4.58-1ubuntu8.7 | Jul 10, 2025 |
| apache2-suexec-pristine · Ubuntu 25.04 (plucky) | 2.4.63-1ubuntu1.1 | apache2-suexec-pristine 2.4.63-1ubuntu1.1 | Jan 16, 2026 |
| apache2-utils · Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.27+esm6 | apache2-utils 2.4.29-1ubuntu4.27+esm6 | Jul 10, 2025 |
| apache2-utils · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm2 | apache2-utils 2.4.41-4ubuntu3.23+esm2 | Jul 10, 2025 |
| apache2-utils · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.15 | apache2-utils 2.4.52-1ubuntu4.15 | Jul 10, 2025 |
| apache2-utils · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.7 | apache2-utils 2.4.58-1ubuntu8.7 | Jul 10, 2025 |
| apache2-utils · Ubuntu 25.04 (plucky) | 2.4.63-1ubuntu1.1 | apache2-utils 2.4.63-1ubuntu1.1 | Jan 16, 2026 |
| apache2-utils · opensuse-leap 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-utils · sles 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-utils · sles 15.7 | 2.4.62-150700.4.3.1 | SUSE-SU-2025:02685-1 | Aug 4, 2025 |
| apache2-worker · opensuse-leap 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-worker · sles 15.6 | 2.4.58-150600.5.35.1 | SUSE-SU-2025:02684-1 | Aug 4, 2025 |
| apache2-worker · sles 15.7 | 2.4.62-150700.4.3.1 | SUSE-SU-2025:02685-1 | Aug 4, 2025 |
| httpd · RHEL 8 | 0:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| httpd · almalinux 8 | 2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| httpd · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd · ol 8 | 0:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| httpd · rocky 8 | 0:2.4.37-65.module+el8.10.0+1840+b070a976.1 | RLSA-2025:15123 | Sep 8, 2025 |
| httpd-core · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd-core-debuginfo · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd-debuginfo · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd-debugsource · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd-devel · RHEL 8 | 0:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| httpd-devel · almalinux 8 | 2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| httpd-devel · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd-devel · ol 8 | 0:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| httpd-filesystem · RHEL 8 | 0:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| httpd-filesystem · almalinux 8 | 2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| httpd-filesystem · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd-filesystem · ol 8 | 0:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| httpd-manual · RHEL 8 | 0:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| httpd-manual · almalinux 8 | 2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| httpd-manual · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd-manual · ol 8 | 0:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| httpd-tools · RHEL 8 | 0:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| httpd-tools · almalinux 8 | 2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| httpd-tools · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| httpd-tools · ol 8 | 0:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| httpd-tools-debuginfo · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| libapache2-mod-md · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm2 | libapache2-mod-md 2.4.41-4ubuntu3.23+esm2 | Jul 10, 2025 |
| libapache2-mod-md · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.15 | libapache2-mod-md 2.4.52-1ubuntu4.15 | Jul 10, 2025 |
| libapache2-mod-md · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.7 | libapache2-mod-md 2.4.58-1ubuntu8.7 | Jul 10, 2025 |
| libapache2-mod-proxy-uwsgi · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm2 | libapache2-mod-proxy-uwsgi 2.4.41-4ubuntu3.23+esm2 | Jul 10, 2025 |
| libapache2-mod-proxy-uwsgi · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.15 | libapache2-mod-proxy-uwsgi 2.4.52-1ubuntu4.15 | Jul 10, 2025 |
| libapache2-mod-proxy-uwsgi · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.7 | libapache2-mod-proxy-uwsgi 2.4.58-1ubuntu8.7 | Jul 10, 2025 |
| mod_http2 · RHEL 10 | 2.0.29-2.el10_0.1 | RHSA-2025:14625 | Jul 14, 2025 |
| mod_http2 · RHEL 8 | 0:1.15.7-10.module+el8.10.0+23369+11a81384.4 | RHSA-2025:15123 | Sep 3, 2025 |
| mod_http2 · RHEL 9 | 0:2.0.26-4.el9_6.1 | RHSA-2025:14983 | Sep 2, 2025 |
| mod_http2 · almalinux 10 | 2.0.29-2.el10_0.1 | ALSA-2025:14625 | Aug 26, 2025 |
| mod_http2 · almalinux 8 | 1.15.7-10.module_el8.10.0+4044+ea5f78b1.4 | ALSA-2025:15123 | Sep 3, 2025 |
| mod_http2 · almalinux 9 | 2.0.26-4.el9_6.1 | ALSA-2025:14983 | Sep 2, 2025 |
| mod_http2 · ol 10 | 0:2.0.29-2.el10_0.1 | ELSA-2025-14625 | Aug 26, 2025 |
| mod_http2 · ol 8 | 0:1.15.7-10.module+el8.10.0+90652+bef864ba.4 | ELSA-2025-15123 | Sep 4, 2025 |
| mod_http2 · ol 9 | 0:2.0.26-4.el9_6.1 | ELSA-2025-14983 | Sep 1, 2025 |
| mod_http2 · rocky 10 | 0:2.0.29-2.el10_0.1 | RLSA-2025:14625 | Oct 3, 2025 |
| mod_http2 · rocky 8 | 0:1.15.7-10.module+el8.10.0+1830+22f0c9e0 | RLSA-2025:15123 | Sep 8, 2025 |
| mod_http2 · rocky 9 | 0:2.0.26-4.el9_6.1 | RLSA-2025:14983 | Oct 10, 2025 |
| mod_ldap · RHEL 8 | 0:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| mod_ldap · almalinux 8 | 2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| mod_ldap · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_ldap · ol 8 | 0:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| mod_ldap-debuginfo · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_lua · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_lua-debuginfo · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_md · RHEL 8 | 1:2.0.8-8.module+el8.9.0+19080+567b90f8 | RHSA-2025:15123 | Sep 3, 2025 |
| mod_md · almalinux 8 | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2025:15123 | Sep 3, 2025 |
| mod_md · ol 8 | 1:2.0.8-8.module+el8.9.0+90011+2f9c6a23 | ELSA-2025-15123 | Sep 4, 2025 |
| mod_md · rocky 8 | 1:2.0.8-8.module+el8.9.0+1370+89cc8ad5 | RLSA-2025:15123 | Sep 8, 2025 |
| mod_proxy_html · RHEL 8 | 1:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| mod_proxy_html · almalinux 8 | 1:2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| mod_proxy_html · amzn 2023 | 1:2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_proxy_html · ol 8 | 1:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| mod_proxy_html-debuginfo · amzn 2023 | 1:2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_session · RHEL 8 | 0:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| mod_session · almalinux 8 | 2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| mod_session · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_session · ol 8 | 0:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| mod_session-debuginfo · amzn 2023 | 2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_ssl · RHEL 8 | 1:2.4.37-65.module+el8.10.0+23369+11a81384.5 | RHSA-2025:15123 | Sep 3, 2025 |
| mod_ssl · almalinux 8 | 1:2.4.37-65.module_el8.10.0+4044+ea5f78b1.5 | ALSA-2025:15123 | Sep 3, 2025 |
| mod_ssl · amzn 2023 | 1:2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
| mod_ssl · ol 8 | 1:2.4.37-65.0.1.module+el8.10.0+90652+bef864ba.5 | ELSA-2025-15123 | Sep 4, 2025 |
| mod_ssl-debuginfo · amzn 2023 | 1:2.4.64-1.amzn2023.0.1 | ALAS2023-2025-1125 | Jul 29, 2025 |
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