CVE-2026-48913

EUVD-2026-35101
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 38%
Affected Products (NVD)
VendorProductVersion
apachehttp_server
2.4.55 ≤
𝑥
< 2.4.68
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bookworm
2.4.68-1~deb12u1
fixed
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
2.4.67-1~deb11u3
fixed
forky
2.4.68-1
fixed
sid
2.4.68-1
fixed
trixie
2.4.68-1~deb13u1
fixed
trixie (security)
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
apache2
bionic
ignored
focal
Fixed 2.4.41-4ubuntu3.23+esm5
released
jammy
Fixed 2.4.52-1ubuntu4.23
released
noble
Fixed 2.4.58-1ubuntu8.15
released
questing
ignored
resolute
Fixed 2.4.66-2ubuntu2.4
released
trusty
not-affected
xenial
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
apache2
suse enterprise desktop 15 SP7
2.4.66-150700.4.23.1
fixed
suse enterprise sap 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP7
2.4.66-150700.4.23.1
fixed
suse enterprise server 12 SP3
2.4.66-29.134.1
fixed
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
suse enterprise server 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP6
2.4.66-150600.5.55.1
fixed
suse enterprise server 15 SP7
2.4.66-150700.4.23.1
fixed
apache2-devel
suse enterprise sap 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP7
2.4.66-150700.4.23.1
fixed
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
suse enterprise server 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP6
2.4.66-150600.5.55.1
fixed
suse enterprise server 15 SP7
2.4.66-150700.4.23.1
fixed
apache2-doc
suse enterprise sap 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise server 12 SP3
2.4.66-29.134.1
fixed
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
suse enterprise server 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP5
2.4.66-150400.6.57.1
fixed
apache2-example-pages
suse enterprise server 12 SP3
2.4.66-29.134.1
fixed
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
apache2-manual
suse enterprise sap 15 SP7
2.4.66-150700.4.23.1
fixed
suse enterprise server 15 SP6
2.4.66-150600.5.55.1
fixed
suse enterprise server 15 SP7
2.4.66-150700.4.23.1
fixed
apache2-prefork
suse enterprise desktop 15 SP7
2.4.66-150700.4.23.1
fixed
suse enterprise sap 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP7
2.4.66-150700.4.23.1
fixed
suse enterprise server 12 SP3
2.4.66-29.134.1
fixed
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
suse enterprise server 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP6
2.4.66-150600.5.55.1
fixed
suse enterprise server 15 SP7
2.4.66-150700.4.23.1
fixed
apache2-tls13
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
apache2-tls13-devel
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
apache2-tls13-doc
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
apache2-tls13-example-pages
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
apache2-tls13-prefork
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
apache2-tls13-utils
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
apache2-tls13-worker
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
apache2-utils
suse enterprise sap 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP7
2.4.66-150700.4.23.1
fixed
suse enterprise server 12 SP3
2.4.66-29.134.1
fixed
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
suse enterprise server 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP6
2.4.66-150600.5.55.1
fixed
suse enterprise server 15 SP7
2.4.66-150700.4.23.1
fixed
apache2-worker
suse enterprise sap 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise sap 15 SP7
2.4.66-150700.4.23.1
fixed
suse enterprise server 12 SP3
2.4.66-29.134.1
fixed
suse enterprise server 12 SP5
2.4.66-35.81.1
fixed
suse enterprise server 15 SP4
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP5
2.4.66-150400.6.57.1
fixed
suse enterprise server 15 SP6
2.4.66-150600.5.55.1
fixed
suse enterprise server 15 SP7
2.4.66-150700.4.23.1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
mod_http2
Amazon Linux 2023
0:2.0.42-1.amzn2023.0.1
fixed
mod_http2-debuginfo
Amazon Linux 2023
0:2.0.42-1.amzn2023.0.1
fixed
mod_http2-debugsource
Amazon Linux 2023
0:2.0.42-1.amzn2023.0.1
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
httpd
Azure Linux 3.0
0:2.4.68-1.azl3
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://httpd.apache.org/security/vulnerabilities_24.html
http://www.openwall.com/lists/oss-security/2026/06/08/15