USN-7891-1: rust-openssl vulnerabilities

Publication date

26 November 2025

Overview

Several security issues were fixed in rust-openssl.


Packages

Details

Matt Mastracci discovered that rust-openssl was incorrectly handling server
lifetimes in certain functions. An attacker could possibly use this issue
to cause a denial of service or run arbitrary memory content to the client.
(CVE-2025-24898)

It was discovered that rust-openssl was incorrectly handling empty strings
when setting the host in certain functions. An attacker could possibly use
this issue to cause a denial of service. This issue only affected
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-53159)

It was discovered that rust-openssl was incorrectly handling property
arguments in certain functions. An attacker could possibly use this
issue to cause a denial of service. This issue only affected
Ubuntu 24.04 LTS. (CVE-2025-3416)

Matt Mastracci discovered that rust-openssl was incorrectly handling server
lifetimes in certain functions. An attacker could possibly use this issue
to cause a denial of service or run arbitrary memory content to the client.
(CVE-2025-24898)

It was discovered that rust-openssl was incorrectly handling empty strings
when setting the host in certain functions. An attacker could possibly use
this issue to cause a denial of service. This issue only affected
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-53159)

It was discovered that rust-openssl was incorrectly handling property
arguments in certain functions. An attacker could possibly use this
issue to cause a denial of service. This issue only affected
Ubuntu 24.04 LTS. (CVE-2025-3416)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
24.04 LTS noble librust-openssl-dev –  0.10.57-1ubuntu0.1~esm1  
22.04 LTS jammy librust-openssl-dev –  0.10.36-1ubuntu0.1~esm1  
20.04 LTS focal librust-openssl-dev –  0.10.23-1ubuntu0.1~esm1  

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.


Have additional questions?

Talk to a member of the team ›