CVE-2026-49975 · cross-distro fix matrix

CVE-2026-49975: It was discovered that Apache HTTP Server incorrectly handled certain

Affects 4 Linux releases across 50 (distro × package) combinations. First disclosed: 2026-06-04.

Fix per ecosystem

Each block below is a distro release where CVE-2026-49975 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

apache2→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2
```
apache2-bin→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-bin
```
apache2-data→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-data
```
apache2-dev→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-dev
```
apache2-doc→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-doc
```
apache2-ssl-dev→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-ssl-dev
```
apache2-suexec-custom→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-suexec-custom
```
apache2-suexec-pristine→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-suexec-pristine
```
apache2-utils→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-utils
```
libapache2-mod-md→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y libapache2-mod-md
```
libapache2-mod-proxy-uwsgi→ fixed in2.4.52-1ubuntu4.21USN-8384-1
```
sudo apt-get install --only-upgrade -y libapache2-mod-proxy-uwsgi
```
nginx→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y nginx
```
libnginx-mod-http-auth-pam→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-auth-pam
```
libnginx-mod-http-cache-purge→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-cache-purge
```
libnginx-mod-http-dav-ext→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-dav-ext
```
libnginx-mod-http-echo→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-echo
```
libnginx-mod-http-fancyindex→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-fancyindex
```
libnginx-mod-http-geoip→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-geoip
```
libnginx-mod-http-geoip2→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-geoip2
```
libnginx-mod-http-headers-more-filter→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-headers-more-filter
```
libnginx-mod-http-image-filter→ fixed in1.18.0-6ubuntu14.13USN-8398-1
```
sudo apt-get install --only-upgrade -y libnginx-mod-http-image-filter
```

Ubuntu noble

Source: Ubuntu USN

apache2→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2
```
apache2-bin→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-bin
```
apache2-data→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-data
```
apache2-dev→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-dev
```
apache2-doc→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-doc
```
apache2-ssl-dev→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-ssl-dev
```
apache2-suexec-custom→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-suexec-custom
```
apache2-suexec-pristine→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-suexec-pristine
```
apache2-utils→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y apache2-utils
```
libapache2-mod-md→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y libapache2-mod-md
```
libapache2-mod-proxy-uwsgi→ fixed in2.4.58-1ubuntu8.13USN-8384-1
```
sudo apt-get install --only-upgrade -y libapache2-mod-proxy-uwsgi
```

Ubuntu questing

Source: Ubuntu USN

apache2→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

apache2-bin→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

apache2-data→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

apache2-dev→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

apache2-doc→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

apache2-ssl-dev→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

apache2-suexec-custom→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

apache2-suexec-pristine→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

apache2-utils→ fixed in2.4.64-1ubuntu3.5USN-8384-1

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

Ubuntu resolute

Source: Ubuntu USN

apache2→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

apache2-bin→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

apache2-data→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

apache2-dev→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

apache2-doc→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

apache2-ssl-dev→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

apache2-suexec-custom→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

apache2-suexec-pristine→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

apache2-utils→ fixed in2.4.66-2ubuntu2.2USN-8384-1

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

Are YOU affected by CVE-2026-49975?

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-2026-49975dropped 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. $99 lifetime, 50 founder seats, 30-day refund.

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