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openSUSE Leap 16.0 dnsdist Low Security Update 2026-20461-1

opensuse
Calendar Grey April 8, 2026
Dist Opensuse Esm H88
Update fixes two security issues in dnsdist for openSUSE. Protect against DoS and HTTP/2 attacks with this low-rated advisory.
An update that solves 2 vulnerabilities and has 2 bug fixes can now be installed.

Description

This update for dnsdist fixes the following issues:

Update to dnsdist 1.9.11:

- CVE-2025-8671: add mitigations for the HTTP/2 MadeYouReset attack (bsc#1253852).

- CVE-2025-30187: denial of service via crafted DoH exchange (bsc#1250054).

Patch instructions:

To install this openSUSE security update use the suse recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

zypper in -t patch openSUSE-Leap-16.0-475=1

Topics%20covered

Topics Covered

security advisory denial of service low OpenSUSE HTTP/2 attack dnsdist

Patch

Package List

- openSUSE Leap 16.0:

dnsdist-1.9.11-160000.1.1

References

* bsc#1250054

* bsc#1253852

References:

* https://www.suse.com/security/cve/CVE-2025-30187.html

* https://www.suse.com/security/cve/CVE-2025-8671.html

Severity
low
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20461-1
Rating: low
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory denial of service low OpenSUSE HTTP/2 attack dnsdist

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