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Unscored USN-7307-1 1 CVE

libxmltok vulnerability

Published Feb 26, 2025 · Updated Apr 27, 2026

Summary

Tim Boddy discovered that Expat, contained within the xmltok library, did
not properly handle memory reallocation when processing XML files. If a
user or application linked against Expat were tricked into opening a
crafted XML file, an attacker could cause a denial of service by consuming
excessive memory resources.

Fixed packages 4

ReleasePackageFixed in
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS libxmltok 1.2-4ubuntu0.18.04.1~esm5
Ubuntu · Pro 20.04 LTS Pro:20.04:LTS libxmltok 1.2-4ubuntu0.20.04.1~esm5
Ubuntu · Pro 22.04 LTS Pro:22.04:LTS libxmltok 1.2-4ubuntu0.22.04.1~esm5
Ubuntu · Pro 24.04 LTS Pro:24.04:LTS libxmltok 1.2-4.1ubuntu2.24.0.4.1+esm3

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2012-1148