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Ubuntu 24.04 8409-1 Uriparser Important Denial of Service

ubuntu
Calendar Grey June 10, 2026
Dist Ubuntu Esm H88
Emergency update for Ubuntu addressing a critical uriparser issue that could cause crashing and denial of service.
uriparser could be made to crash if it received specially crafted input.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: uriparser could be made to crash if it received specially crafted input. Software Description: - uriparser: Strictly RFC 3986 compliant URI parsing library Details: It was discovered that uriparser incorrectly handled certain URI strings. An attacker could possibly use this issue to cause uriparser to crash, resulting in a denial of service.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS liburiparser1 0.9.7+dfsg-2ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 22.04 LTS liburiparser1 0.9.6+dfsg-1ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 20.04 LTS liburiparser1 0.9.3-2ubuntu0.1~esm4 Available with Ubuntu Pro Ubuntu 18.04 LTS liburiparser1 0.8.4-1+deb9u2ubuntu0.1+esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS liburiparser1 0.8.4-1ubuntu0.16.04.1~esm5 Available with Ubuntu Pro Ubuntu 14.04 LTS liburiparser1 0.7.5-1ubuntu2+esm5 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-8409-1

CVE-2025-67899

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8409-1

Package Information

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