CVE-2024-12084

Name: CVE-2024-12084
Creator: NVD / NIST
Published: 2025-01-15T15:15:10.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 72.06%

Last modified Jun 25, 2026

CVE-2024-12084 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 72.06% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

72.06%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Samba	Rsync	3.2.7
Samba	Rsync	3.3.0
Almalinux	Almalinux	10.0
Archlinux	Arch Linux	All versions
Gentoo	Linux	All versions
Nixos	Nixos	< 24.11
Nixos	Nixos	24.11
Novell	Suse Linux	All versions
Tritondatacenter	Smartos	< 20250123
Redhat	Enterprise Linux	10.0

References

https://access.redhat.com/errata/RHBA-2025:6470
https://access.redhat.com/security/cve/CVE-2024-12084Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2330527Issue Tracking, Third Party Advisory
https://kb.cert.org/vuls/id/952657Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/01/14/6Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20250131-0002/
https://www.kb.cert.org/vuls/id/952657
https://github.com/google/security-research/security/advisories/GHSA-p5pg-x43v-mvqjExploit, Vendor Advisory

Timeline

Published: Jan 15, 2025
Last Modified: Jun 25, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-12084?

How severe is CVE-2024-12084?

CVE-2024-12084 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 72.06% probability of exploitation in the next 30 days.

How do I fix CVE-2024-12084?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-12084?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST