CVE-2024-12084 - CVE House
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Status published Critical CVE-2024-12084

Rsync: heap buffer overflow in rsync due to improper checksum length handling

Vulnerability Description

A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths (s2length) in the code. When MAX_DIGEST_LEN exceeds the fixed SUM_LENGTH (16 bytes), an attacker can write out of bounds in the sum2 buffer.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Red Hat would like to thank Jasiel Spelman (Google), Pedro Gallegos (Google), and Simon Scannell (Google) for reporting this issue.

Affected Vendor

Affected Software

Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4
Vulnerable Versions:
3.2.7, 3.3.0, 0:3.4.1-2.el10

Timeline

Official Publish: January 15th, 2025
Last Modified: June 29th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)