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Vulnerabilities in Expat Affect XML-RPC and Ayttm Packages

Vulnerabilities in Expat Affect XML-RPC and Ayttm Packages

First seen 27 May 2026, 11:04 UTC • •
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ThreatCluster AI
ThreatCluster •May 28, 2026 at 10:43 UTC
  • •Expat vulnerabilities in XML-RPC and Ayttm could allow remote code execution.
  • •Affected systems require immediate updates to mitigate potential attacks.
  • •Standard system updates are recommended to address these vulnerabilities.

Two vulnerabilities have been identified in the Expat library, which is included in both XML-RPC for C and C++ and Ayttm. These vulnerabilities allow attackers to potentially execute arbitrary code or cause a crash by improperly handling certain files. Affected systems include those using the vulnerable versions of these packages. Users are advised to perform standard system updates to mitigate these issues. The vulnerabilities are significant due to the potential for remote code execution. No specific CVEs were mentioned in the articles, but the vulnerabilities are critical enough to warrant immediate attention from system administrators. Ubuntu Pro offers security coverage for affected packages, highlighting the importance of maintaining updated systems.

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Updated 115d ago How this analysis works

Timeline

2026-05-27
Vulnerabilities announced for XML-RPC
Expat in XML-RPC was found to improperly handle files, allowing potential crashes or code execution.
Ubuntu
2026-05-27
Vulnerabilities announced for Ayttm
Expat in Ayttm was similarly found to have vulnerabilities that could lead to crashes or arbitrary code execution.
Ubuntu

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