CVE-2024-12085

Publication date 9 January 2025

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length (s2length) to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
rsync	24.10 oracular	Fixed 3.3.0-1ubuntu0.1
	24.04 LTS noble	Fixed 3.2.7-1ubuntu1.1
	22.04 LTS jammy	Fixed 3.2.7-0ubuntu0.22.04.3
	20.04 LTS focal	Fixed 3.1.3-8ubuntu0.8
	18.04 LTS bionic	Fixed 3.1.2-2.1ubuntu1.6+esm1
	16.04 LTS xenial	Fixed 3.1.1-3ubuntu1.3+esm3
	14.04 LTS trusty	Fixed 3.1.0-2ubuntu0.4+esm1

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Notes

alexmurray

Likely affects all rsync versions in Ubuntu

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N