How severe is CVE-2024-12084?

CVE-2024-12084 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-12084 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-12084?

CVE-2024-12084 primarily affects Redhat Enterprise Linux. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-12084?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-12084 have an EU (EUVD) identifier?

Yes. CVE-2024-12084 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50580.

When was CVE-2024-12084 published?

CVE-2024-12084 was published on 2025-01-15 and last updated on 2026-06-29.

CVE-2024-12084

CVE-2024-12084 is a critical-severity vulnerability in Redhat Enterprise Linux with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 72% (99th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-50580
Weakness: CWE-787
Affected product: Redhat Enterprise Linux
Published: 2025-01-15
Last modified: 2026-06-29

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.

Frequently asked questions

What is CVE-2024-12084?: 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.
How severe is CVE-2024-12084?: CVE-2024-12084 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-12084 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-12084?: CVE-2024-12084 primarily affects Redhat Enterprise Linux. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-12084?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-12084 have an EU (EUVD) identifier?: Yes. CVE-2024-12084 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50580.
When was CVE-2024-12084 published?: CVE-2024-12084 was published on 2025-01-15 and last updated on 2026-06-29.

References

Affected products (10)

cpe:2.3:a:samba:rsync:3.2.7:-:*:*:*:*:*:*
cpe:2.3:a:samba:rsync:3.3.0:-:*:*:*:*:*:*
cpe:2.3:o:almalinux:almalinux:10.0:-:*:*:*:*:*:*
cpe:2.3:o:archlinux:arch_linux:-:*:*:*:*:*:*:*
cpe:2.3:o:gentoo:linux:-:*:*:*:*:*:*:*
cpe:2.3:o:nixos:nixos:*:*:*:*:*:*:*:*
cpe:2.3:o:nixos:nixos:24.11:*:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux:-:*:*:*:*:*:*:*
cpe:2.3:o:tritondatacenter:smartos:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

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