CVE-2026-48913
Apache HTTP Server: mod_http2 memory corruption when file handles exhausted
CVE-2026-48913 is fixed in 36 products on 1 platform, first by apache2 2.4.41-4ubuntu3.23+esm5, released June 8, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.3
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0048
41st percentile
Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| apache2 · Debian 12.15 (bookworm) | 2.4.68-1~deb12u1 | DEBIAN-CVE-2026-48913 | Jun 24, 2026 |
| apache2 · Debian 13.5 (trixie) | 2.4.68-1~deb13u1 | DEBIAN-CVE-2026-48913 | Jun 24, 2026 |
| apache2 · Debian 14 | 2.4.68-1 | DEBIAN-CVE-2026-48913 | Jun 24, 2026 |
| apache2 · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm5 | apache2 2.4.41-4ubuntu3.23+esm5 | Jun 8, 2026 |
| apache2 · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.23 | apache2 2.4.52-1ubuntu4.23 | Jun 8, 2026 |
| apache2 · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.15 | apache2 2.4.58-1ubuntu8.15 | Jun 8, 2026 |
| apache2 · Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.4 | apache2 2.4.66-2ubuntu2.4 | Jun 8, 2026 |
| apache2 · opensuse-leap 16.0 | 2.4.66-160000.3.1 | OPENSUSE-SU-2026:21235-1 | Jul 6, 2026 |
| apache2 · sles 15.6 | 2.4.66-150600.5.55.1 | SUSE-SU-2026:2735-1 | Jul 2, 2026 |
| apache2 · sles 15.7 | 2.4.66-150700.4.23.1 | SUSE-SU-2026:2759-1 | Jul 6, 2026 |
| apache2 · sles 16.0 | 2.4.66-160000.3.1 | SUSE-SU-2026:22564-1 | Jul 6, 2026 |
| apache2-bin · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm5 | apache2-bin 2.4.41-4ubuntu3.23+esm5 | Jun 8, 2026 |
| apache2-bin · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.23 | apache2-bin 2.4.52-1ubuntu4.23 | Jun 8, 2026 |
| apache2-bin · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.15 | apache2-bin 2.4.58-1ubuntu8.15 | Jun 8, 2026 |
| apache2-bin · Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.4 | apache2-bin 2.4.66-2ubuntu2.4 | Jun 8, 2026 |
| apache2-data · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm5 | apache2-data 2.4.41-4ubuntu3.23+esm5 | Jun 8, 2026 |
| apache2-data · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.23 | apache2-data 2.4.52-1ubuntu4.23 | Jun 8, 2026 |
| apache2-data · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.15 | apache2-data 2.4.58-1ubuntu8.15 | Jun 8, 2026 |
| apache2-data · Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.4 | apache2-data 2.4.66-2ubuntu2.4 | Jun 8, 2026 |
| apache2-devel · opensuse-leap 16.0 | 2.4.66-160000.3.1 | OPENSUSE-SU-2026:21235-1 | Jul 6, 2026 |
| apache2-devel · sles 15.6 | 2.4.66-150600.5.55.1 | SUSE-SU-2026:2735-1 | Jul 2, 2026 |
| apache2-devel · sles 15.7 | 2.4.66-150700.4.23.1 | SUSE-SU-2026:2759-1 | Jul 6, 2026 |
| apache2-devel · sles 16.0 | 2.4.66-160000.3.1 | SUSE-SU-2026:22564-1 | Jul 6, 2026 |
| apache2-event · opensuse-leap 16.0 | 2.4.66-160000.3.1 | OPENSUSE-SU-2026:21235-1 | Jul 6, 2026 |
| apache2-event · sles 15.7 | 2.4.66-150700.4.23.1 | SUSE-SU-2026:2759-1 | Jul 6, 2026 |
| apache2-event · sles 16.0 | 2.4.66-160000.3.1 | SUSE-SU-2026:22564-1 | Jul 6, 2026 |
| apache2-manual · opensuse-leap 16.0 | 2.4.66-160000.3.1 | OPENSUSE-SU-2026:21235-1 | Jul 6, 2026 |
| apache2-manual · sles 15.6 | 2.4.66-150600.5.55.1 | SUSE-SU-2026:2735-1 | Jul 2, 2026 |
| apache2-manual · sles 15.7 | 2.4.66-150700.4.23.1 | SUSE-SU-2026:2759-1 | Jul 6, 2026 |
| apache2-manual · sles 16.0 | 2.4.66-160000.3.1 | SUSE-SU-2026:22564-1 | Jul 6, 2026 |
| apache2-prefork · opensuse-leap 16.0 | 2.4.66-160000.3.1 | OPENSUSE-SU-2026:21235-1 | Jul 6, 2026 |
| apache2-prefork · sles 15.6 | 2.4.66-150600.5.55.1 | SUSE-SU-2026:2735-1 | Jul 2, 2026 |
| apache2-prefork · sles 15.7 | 2.4.66-150700.4.23.1 | SUSE-SU-2026:2759-1 | Jul 6, 2026 |
| apache2-prefork · sles 16.0 | 2.4.66-160000.3.1 | SUSE-SU-2026:22564-1 | Jul 6, 2026 |
| apache2-suexec-custom · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm5 | apache2-suexec-custom 2.4.41-4ubuntu3.23+esm5 | Jun 8, 2026 |
| apache2-suexec-custom · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.23 | apache2-suexec-custom 2.4.52-1ubuntu4.23 | Jun 8, 2026 |
| apache2-suexec-custom · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.15 | apache2-suexec-custom 2.4.58-1ubuntu8.15 | Jun 8, 2026 |
| apache2-suexec-custom · Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.4 | apache2-suexec-custom 2.4.66-2ubuntu2.4 | Jun 8, 2026 |
| apache2-suexec-pristine · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm5 | apache2-suexec-pristine 2.4.41-4ubuntu3.23+esm5 | Jun 8, 2026 |
| apache2-suexec-pristine · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.23 | apache2-suexec-pristine 2.4.52-1ubuntu4.23 | Jun 8, 2026 |
| apache2-suexec-pristine · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.15 | apache2-suexec-pristine 2.4.58-1ubuntu8.15 | Jun 8, 2026 |
| apache2-suexec-pristine · Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.4 | apache2-suexec-pristine 2.4.66-2ubuntu2.4 | Jun 8, 2026 |
| apache2-utils · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm5 | apache2-utils 2.4.41-4ubuntu3.23+esm5 | Jun 8, 2026 |
| apache2-utils · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.23 | apache2-utils 2.4.52-1ubuntu4.23 | Jun 8, 2026 |
| apache2-utils · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.15 | apache2-utils 2.4.58-1ubuntu8.15 | Jun 8, 2026 |
| apache2-utils · Ubuntu 26.04.1 LTS (resolute) | 2.4.66-2ubuntu2.4 | apache2-utils 2.4.66-2ubuntu2.4 | Jun 8, 2026 |
| apache2-utils · opensuse-leap 16.0 | 2.4.66-160000.3.1 | OPENSUSE-SU-2026:21235-1 | Jul 6, 2026 |
| apache2-utils · sles 15.6 | 2.4.66-150600.5.55.1 | SUSE-SU-2026:2735-1 | Jul 2, 2026 |
| apache2-utils · sles 15.7 | 2.4.66-150700.4.23.1 | SUSE-SU-2026:2759-1 | Jul 6, 2026 |
| apache2-utils · sles 16.0 | 2.4.66-160000.3.1 | SUSE-SU-2026:22564-1 | Jul 6, 2026 |
| apache2-worker · opensuse-leap 16.0 | 2.4.66-160000.3.1 | OPENSUSE-SU-2026:21235-1 | Jul 6, 2026 |
| apache2-worker · sles 15.6 | 2.4.66-150600.5.55.1 | SUSE-SU-2026:2735-1 | Jul 2, 2026 |
| apache2-worker · sles 15.7 | 2.4.66-150700.4.23.1 | SUSE-SU-2026:2759-1 | Jul 6, 2026 |
| apache2-worker · sles 16.0 | 2.4.66-160000.3.1 | SUSE-SU-2026:22564-1 | Jul 6, 2026 |
| httpd · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-core · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-core-debuginfo · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-debuginfo · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-debugsource · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-devel · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-filesystem · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-manual · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-tools · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| httpd-tools-debuginfo · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| libapache2-mod-md · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm5 | libapache2-mod-md 2.4.41-4ubuntu3.23+esm5 | Jun 8, 2026 |
| libapache2-mod-md · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.23 | libapache2-mod-md 2.4.52-1ubuntu4.23 | Jun 8, 2026 |
| libapache2-mod-md · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.15 | libapache2-mod-md 2.4.58-1ubuntu8.15 | Jun 8, 2026 |
| libapache2-mod-proxy-uwsgi · Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.23+esm5 | libapache2-mod-proxy-uwsgi 2.4.41-4ubuntu3.23+esm5 | Jun 8, 2026 |
| libapache2-mod-proxy-uwsgi · Ubuntu 22.04.1 LTS (jammy) | 2.4.52-1ubuntu4.23 | libapache2-mod-proxy-uwsgi 2.4.52-1ubuntu4.23 | Jun 8, 2026 |
| libapache2-mod-proxy-uwsgi · Ubuntu 24.04.5 LTS (noble) | 2.4.58-1ubuntu8.15 | libapache2-mod-proxy-uwsgi 2.4.58-1ubuntu8.15 | Jun 8, 2026 |
| mod_http2 · RHEL 10 | 2.0.29-2.el10_0.2 | RHSA-2026:50538 | Jun 24, 2026 |
| mod_http2 · RHEL 9 | 0:2.0.26-6.el9_8.2 | RHSA-2026:59387 | Aug 28, 2026 |
| mod_http2 · almalinux 10 | 2.0.29-4.el10_2.2 | ALSA-2026:34355 | Jul 1, 2026 |
| mod_http2 · almalinux 9 | 2.0.26-6.el9_8.2 | ALSA-2026:59387 | Aug 25, 2026 |
| mod_http2 · amzn 2023 | 2.0.42-1.amzn2023.0.1 | ALAS2023-2026-1859 | Jun 22, 2026 |
| mod_http2 · ol 10 | 0:2.0.29-4.el10_2.2 | ELSA-2026-34355 | Jul 16, 2026 |
| mod_http2 · ol 9 | 0:2.0.26-6.el9_8.2 | ELSA-2026-59387 | Aug 25, 2026 |
| mod_http2 · rocky 10 | 0:2.0.29-4.el10_2.2 | RLSA-2026:34355 | Jul 7, 2026 |
| mod_http2 · rocky 9 | 0:2.0.26-6.el9_8.2 | RLSA-2026:59387 | Aug 26, 2026 |
| mod_http2-debuginfo · amzn 2023 | 2.0.42-1.amzn2023.0.1 | ALAS2023-2026-1859 | Jun 22, 2026 |
| mod_http2-debugsource · amzn 2023 | 2.0.42-1.amzn2023.0.1 | ALAS2023-2026-1859 | Jun 22, 2026 |
| mod_ldap · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_ldap-debuginfo · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_lua · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_lua-debuginfo · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_proxy_html · Fedora 43 | 1:2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_proxy_html-debuginfo · Fedora 43 | 1:2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_session · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_session-debuginfo · Fedora 43 | 2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_ssl · Fedora 43 | 1:2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
| mod_ssl-debuginfo · Fedora 43 | 1:2.4.69-1.fc43 | FEDORA-2026-D3CEC01BDE | Oct 5, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.