Debian Trixie Vulnerabilities: PowerDNS and NSS Denial of Service Issues

Debian Trixie Vulnerabilities: PowerDNS and NSS Denial of Service Issues

First seen 22 May 2026, 13:58 UTC •Linuxsecurity •78% similarity •57.8

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Recent security advisories from Debian detail vulnerabilities in the Trixie stable distribution. The PowerDNS vulnerability (DSA-6284) allows for denial of service and information disclosure, fixed in version 4.9.15-0+deb13u1. The NSS vulnerability (DSA-6290) presents a major denial of service risk and uncontrolled code execution, patched in version 2:3.110-1+deb13u2. Both vulnerabilities affect Debian Trixie users and require immediate updates to mitigate risks. Users are advised to upgrade their packages to the latest versions to ensure system security.

Key Points: • Debian Trixie users must upgrade PowerDNS and NSS packages due to critical vulnerabilities. • PowerDNS vulnerability allows denial of service and information disclosure. • NSS vulnerability poses a major risk of denial of service and uncontrolled code execution.

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Timeline

2026-05-20
PowerDNS vulnerability disclosed
Debian released DSA-6284 detailing a denial of service and info disclosure vulnerability in PowerDNS.
Linuxsecurity
2026-05-20
PowerDNS patch released
Version 4.9.15-0+deb13u1 was released to fix the PowerDNS vulnerabilities in the Trixie distribution.
Linuxsecurity
2026-05-21
NSS vulnerability disclosed
Debian announced DSA-6290, highlighting a major denial of service and code execution vulnerability in NSS.
Linuxsecurity
2026-05-21
NSS patch released
Version 2:3.110-1+deb13u2 was released to address the NSS vulnerabilities in the Trixie distribution.
Linuxsecurity

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