CLSA-2026-1778054005

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1778054005
Upstream
Published
2026-05-06T12:06:20Z
Modified
2026-06-04T09:47:39Z
Summary
Fix CVE(s): CVE-2026-23918
Details
  • SECURITY UPDATE: double free and possible remote code execution via HTTP/2 stream double-purge in mod_http2
    • debian/patches/CVE-2026-23918.patch: prevent double purge of a stream by introducing add_for_purge() helper that checks for duplicates before adding to the purge queue in modules/http2/h2_mplx.c
    • CVE-2026-23918
References

Affected packages

TuxCare:Ubuntu:20.04
apache2

Package

Name
apache2
Purl
pkg:deb/tuxcare/apache2?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
apache2-bin

Package

Name
apache2-bin
Purl
pkg:deb/tuxcare/apache2-bin?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
apache2-data

Package

Name
apache2-data
Purl
pkg:deb/tuxcare/apache2-data?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
apache2-dev

Package

Name
apache2-dev
Purl
pkg:deb/tuxcare/apache2-dev?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
apache2-doc

Package

Name
apache2-doc
Purl
pkg:deb/tuxcare/apache2-doc?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
apache2-ssl-dev

Package

Name
apache2-ssl-dev
Purl
pkg:deb/tuxcare/apache2-ssl-dev?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
apache2-suexec-custom

Package

Name
apache2-suexec-custom
Purl
pkg:deb/tuxcare/apache2-suexec-custom?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
apache2-suexec-pristine

Package

Name
apache2-suexec-pristine
Purl
pkg:deb/tuxcare/apache2-suexec-pristine?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
apache2-utils

Package

Name
apache2-utils
Purl
pkg:deb/tuxcare/apache2-utils?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
libapache2-mod-md

Package

Name
libapache2-mod-md
Purl
pkg:deb/tuxcare/libapache2-mod-md?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"
libapache2-mod-proxy-uwsgi

Package

Name
libapache2-mod-proxy-uwsgi
Purl
pkg:deb/tuxcare/libapache2-mod-proxy-uwsgi?distro=ubuntu-20.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+tuxcare.els3

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1778054005.json"