Out-of-bounds read in rust-openssl - CVE-2023-53159

 

Out-of-bounds read in rust-openssl - CVE-2023-53159

Published: November 27, 2025


Vulnerability identifier: #VU118806
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-53159
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the X509VerifyParamRef::set_host() function. A remote attacker can send specially crafted data to the application, trigger an out-of-bounds read error and read contents of memory on the system.


Affected software

rust-openssl
Ubuntu
openEuler
rust-openssl (Ubuntu package)
rpm-ostree
rpm-ostree-debuginfo
rpm-ostree-debugsource
rpm-ostree-devel
rpm-ostree-help

How to mitigate CVE-2023-53159

Install updates from vendor's website.

rust-openssl - update to 0.10.55
rust-openssl (Ubuntu package) - addressed in versions 0.10.23-1ubuntu0.1~esm1, 0.10.36-1ubuntu0.1~esm1, 0.10.57-1ubuntu0.1~esm1
rpm-ostree - update to 2022.16-11
rpm-ostree-debuginfo - update to 2022.16-11
rpm-ostree-debugsource - update to 2022.16-11
rpm-ostree-devel - update to 2022.16-11
rpm-ostree-help - update to 2022.16-11

External References

Related Security Bulletins