USN-7001-1: xmltok library vulnerabilities

Packages

libxmltok - XML Parser Toolkit, runtime libraries

Details

Shang-Hung Wan discovered that Expat, contained within the xmltok library,
did not properly handle certain function calls when a negative input length
was provided. An attacker could use this issue to cause a denial of service
or possibly execute arbitrary code. (CVE-2024-45490)

Shang-Hung Wan discovered that Expat, contained within the xmltok library,
did not properly handle the potential for an integer overflow on 32-bit
platforms. An attacker could use this issue to cause a denial of service or
possibly execute arbitrary code. (CVE-2024-45491)

Shang-Hung Wan discovered that Expat, contained within the xmltok library,
did not properly handle certain function calls when a negative input length
was provided. An attacker could use this issue to cause a denial of service
or possibly execute arbitrary code. (CVE-2024-45490)

Shang-Hung Wan discovered that Expat, contained within the xmltok library,
did not properly handle the potential for an integer overflow on 32-bit
platforms. An attacker could use this issue to cause a denial of service or
possibly execute arbitrary code. (CVE-2024-45491)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

Ubuntu Release	Package Version
22.04 jammy	libxmltok1 – 1.2-4ubuntu0.22.04.1~esm3
20.04 focal	libxmltok1 – 1.2-4ubuntu0.20.04.1~esm3
18.04 bionic	libxmltok1 – 1.2-4ubuntu0.18.04.1~esm3
16.04 xenial	libxmltok1 – 1.2-3ubuntu0.16.04.1~esm4

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

Packages

Details

Update instructions

Reduce your security exposure

References

Related notices