CRITICAL 9.8 Microsoft PoC

CVE-2024-12084

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

Microsoft Security Update 2025-Jan: Rsync: heap buffer overflow in rsync due to improper checksum length handling

Affected Products

cbl2 rsync 3.4.1-1 on CBL Mariner 2.0
azl3 rsync 3.4.1-1 on Azure Linux 3.0
cbl2 rsync 3.2.5-1 on CBL Mariner 2.0
azl3 rsync 3.2.7-1 on Azure Linux 3.0
cbl2 rsync 3.2.5-1 on CBL-Mariner 2.0

References

Published: 2025-01-14 · Source: Microsoft · Feed updated: 2026-11-06

This critical severity vulnerability with a CVSS score of 9.8 was published on 2025-01-14 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 72.5% (top 1% of all CVEs by exploitation probability). Affected: cbl2 rsync 3.4.1-1 on CBL Mariner 2.0, azl3 rsync 3.4.1-1 on Azure Linux 3.0, cbl2 rsync 3.2.5-1 on CBL Mariner 2.0 and 2 more.

Risk Timeline

CVE Disclosed2025-01-14 · 660 days ago

Public PoC Exploit AvailableWeaponised proof-of-concept code is publicly accessible

Remediation Resources

Official Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-12084

NVD / MITRE

nvd.nist.gov/vuln/detail/CVE-2024-12084

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