USN-7001-1: xmltok library vulnerabilities
12 September 2024
Several security issues were fixed in libxmltok.
Releases
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04
-
libxmltok1
-
1.2-4ubuntu0.22.04.1~esm3
Available with Ubuntu Pro
Ubuntu 20.04
-
libxmltok1
-
1.2-4ubuntu0.20.04.1~esm3
Available with Ubuntu Pro
Ubuntu 18.04
-
libxmltok1
-
1.2-4ubuntu0.18.04.1~esm3
Available with Ubuntu Pro
Ubuntu 16.04
-
libxmltok1
-
1.2-3ubuntu0.16.04.1~esm4
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-7000-1: lib64expat1-dev, expat, lib64expat1, libexpat1-dev, libexpat1
- USN-7001-2: libxmltok1t64, libxmltok1-dev, libxmltok
- USN-7000-2: expat, libexpat1-dev, libexpat1