CVE-2026-23918 · cross-distro fix matrix

CVE-2026-23918: Bartlomiej Dmitruk and Stanislaw Strzalkowski discovered that Apache

Affects 9 Linux releases across 45 (distro × package) combinations. First disclosed: 2026-05-04.

EPSS:6.8% · 30-day exploit probability93th percentile

CVSS v3:HIGH · 8.8(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-23918 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

apache2→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2
```
apache2-bin→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-bin
```
apache2-data→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-data
```
apache2-dev→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-dev
```
apache2-doc→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-doc
```
apache2-ssl-dev→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-ssl-dev
```
apache2-suexec-custom→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-suexec-custom
```
apache2-suexec-pristine→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-suexec-pristine
```
apache2-utils→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-utils
```
libapache2-mod-md→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y libapache2-mod-md
```
libapache2-mod-proxy-uwsgi→ fixed in2.4.52-1ubuntu4.20USN-8239-1
```
sudo apt-get install --only-upgrade -y libapache2-mod-proxy-uwsgi
```

Ubuntu noble

Source: Ubuntu USN

apache2→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2
```
apache2-bin→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-bin
```
apache2-data→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-data
```
apache2-dev→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-dev
```
apache2-doc→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-doc
```
apache2-ssl-dev→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-ssl-dev
```
apache2-suexec-custom→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-suexec-custom
```
apache2-suexec-pristine→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-suexec-pristine
```
apache2-utils→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y apache2-utils
```
libapache2-mod-md→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y libapache2-mod-md
```
libapache2-mod-proxy-uwsgi→ fixed in2.4.58-1ubuntu8.12USN-8239-1
```
sudo apt-get install --only-upgrade -y libapache2-mod-proxy-uwsgi
```

Ubuntu questing

Source: Ubuntu USN

apache2→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2

apache2-bin→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2-bin

apache2-data→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2-data

apache2-dev→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2-dev

apache2-doc→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2-doc

apache2-ssl-dev→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2-ssl-dev

apache2-suexec-custom→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2-suexec-custom

apache2-suexec-pristine→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2-suexec-pristine

apache2-utils→ fixed in2.4.64-1ubuntu3.4USN-8239-1

sudo apt-get install --only-upgrade -y apache2-utils

Ubuntu resolute

Source: Ubuntu USN

apache2→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2

apache2-bin→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2-bin

apache2-data→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2-data

apache2-dev→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2-dev

apache2-doc→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2-doc

apache2-ssl-dev→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2-ssl-dev

apache2-suexec-custom→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2-suexec-custom

apache2-suexec-pristine→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2-suexec-pristine

apache2-utils→ fixed in2.4.66-2ubuntu2.1USN-8239-1

sudo apt-get install --only-upgrade -y apache2-utils

Debian bookworm

Source: Debian Security Tracker

apache2→ fixed in2.4.67-1~deb12u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y apache2
```

Debian trixie

Source: Debian Security Tracker

apache2→ fixed in2.4.66-1~deb13u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y apache2
```

Alpine v3.20

Source: Alpine secdb

apache2→ fixed in2.4.67-r0
```
apk update && apk add --upgrade apache2
```

Alpine v3.21

Source: Alpine secdb

apache2→ fixed in2.4.67-r0
```
apk update && apk add --upgrade apache2
```

Alpine edge

Source: Alpine secdb

apache2→ fixed in2.4.67-r0
```
apk update && apk add --upgrade apache2
```

Are YOU affected by CVE-2026-23918?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2026-23918dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. From $9/mo, 14-day free trial, cancel anytime.

See StackPatch (from $9/mo)