Ubuntu USN · USN-8356-1

GNU SASL vulnerability

Published: Mon, 01 Jun 2026 14:22

CVE-2026-48829

Summary

GNU SASL could be made to crash if it received specially crafted input.

Details

It was discovered that GNU SASL did not properly handle certain DIGEST-MD5 tokens. An attacker could possibly use this issue to cause GNU SASL to crash, resulting in a denial of service.

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu noble

gsasl→2.2.1-1willsync1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 2.2.1-1willsync1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl→2.2.1-1willsync1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 2.2.1-1willsync1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl-common→2.2.1-1willsync1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 2.2.1-1willsync1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl-doc→2.2.1-1willsync1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 2.2.1-1willsync1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libgsasl-dev→2.2.1-1willsync1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 2.2.1-1willsync1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libgsasl-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libgsasl18→2.2.1-1willsync1ubuntu0.1apt_upgrade
Standard apt upgrade. Install 2.2.1-1willsync1ubuntu0.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libgsasl18
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu questing

gsasl→2.2.2-2ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-2ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl→2.2.2-2ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-2ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl-common→2.2.2-2ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-2ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl-doc→2.2.2-2ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-2ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libgsasl-dev→2.2.2-2ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-2ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libgsasl-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libgsasl18→2.2.2-2ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-2ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libgsasl18
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu resolute

gsasl→2.2.2-4ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-4ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl→2.2.2-4ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-4ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl-common→2.2.2-4ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-4ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
gsasl-doc→2.2.2-4ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-4ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y gsasl-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libgsasl-dev→2.2.2-4ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-4ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libgsasl-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libgsasl18→2.2.2-4ubuntu1.1apt_upgrade
Standard apt upgrade. Install 2.2.2-4ubuntu1.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libgsasl18
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Are YOU affected by USN-8356-1?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether USN-8356-1 (and any other live CVE) applies. Anonymous, no signup.

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

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