UnratedRed Hat & Ubuntu Linux
Expat vulnerability
USN-8520-1 Published Jul 9, 2026
CVE-2026-41080
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
It was discovered that Expat used insufficient entropy when generating hash salt values for its internal hash table. An attacker could use this to craft an XML document that triggers hash flooding, leading to a denial of service. Affected Ubuntu releases: 16.04. CVEs: CVE-2026-41080.
Affected versions
- Ubuntu 16.04
Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Apply available updates: `sudo apt update && sudo apt upgrade` (a standard system update installs the fix).
Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source
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