CVE-2023-53159

Publication date 28 July 2025

Last updated 28 November 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
rust-openssl	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Fixed 0.10.36-1ubuntu0.1~esm1
	20.04 LTS focal	Fixed 0.10.23-1ubuntu0.1~esm1

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
rust-openssl	Upstream: https://github.com/rust-openssl/rust-openssl/pull/1968/commits/155b3dc71700d2ff31651bbc99b991765a718c4e

Severity score breakdown

Parameter	Value
Base score	4.5 · Medium
Attack vector	Local
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Changed
Confidentiality	Low
Integrity impact	None
Availability impact	Low
Vector	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L

References

Related Ubuntu Security Notices (USN)

USN-7891-1
rust-openssl vulnerabilities
26 November 2025