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Ubuntu Security Notice USN-7107-1
November 13, 2024

zlib vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

zlib could be made to crash or run programs if it received
specially crafted input.

Software Description:
- zlib: Lossless data-compression library

Details:

It was discovered that Minizip in zlib incorrectly handled certain zip
header fields. An attacker could possibly use this issue to cause a denial
of service, or execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS
lib32z1 1:1.2.8.dfsg-1ubuntu1.1+esm3
Available with Ubuntu Pro
lib32z1-dev 1:1.2.8.dfsg-1ubuntu1.1+esm3
Available with Ubuntu Pro
libx32z1 1:1.2.8.dfsg-1ubuntu1.1+esm3
Available with Ubuntu Pro
libx32z1-dev 1:1.2.8.dfsg-1ubuntu1.1+esm3
Available with Ubuntu Pro
zlib-bin 1:1.2.8.dfsg-1ubuntu1.1+esm3
Available with Ubuntu Pro
zlib1g 1:1.2.8.dfsg-1ubuntu1.1+esm3
Available with Ubuntu Pro
zlib1g-dev 1:1.2.8.dfsg-1ubuntu1.1+esm3
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-7107-1
CVE-2023-45853