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Denial of Service Vulnerability in uriparser Affects Multiple Ubuntu Releases

Denial of Service Vulnerability in uriparser Affects Multiple Ubuntu Releases

First seen 10 Jun 2026, 22:56 UTC • •
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ThreatCluster AI
ThreatCluster •June 11, 2026 at 22:36 UTC
  • •A denial of service vulnerability in uriparser affects multiple Ubuntu LTS versions.
  • •Attackers can exploit the flaw by sending specially crafted URI strings.
  • •Users are advised to update to the latest package versions to mitigate the risk.

A vulnerability in uriparser has been discovered, affecting several Ubuntu LTS releases including 24.04, 22.04, 20.04, 18.04, 16.04, and 14.04. The flaw allows an attacker to craft specific URI strings that could cause the uriparser library to crash, leading to a denial of service. This issue has been confirmed and can be mitigated by updating to the latest package versions available through Ubuntu Pro. Users are advised to perform standard system updates to address this vulnerability. The issue does not appear to be actively exploited at this time, but it poses a risk if left unpatched. The vulnerability highlights the importance of maintaining updated software to prevent potential service disruptions.

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Updated 101d ago How this analysis works

Timeline

2026-06-09
Vulnerability discovered in uriparser
The flaw was confirmed to allow denial of service attacks via specially crafted URI strings, affecting multiple Ubuntu LTS versions.
Ubuntu
2026-06-10
Ubuntu Security Notice USN-8409-1 released
Ubuntu published an advisory detailing the vulnerability and recommended package updates for affected versions.
Linuxsecurity

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