Vulnerability details

CVE-2024-12084

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

CVSS 3.1
9.8Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CVEProject cvelistV5 (CNA) (redhat) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
No product information recorded.

References and advisories

8
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Details

Published
2025-01-15
Last updated
2026-11-05
State
Published
Assigner (CNA)
redhat
Kolun priority
50 · Medium

Exploit prediction (EPSS)

72.51%
Probability of exploitation in 30 days
99.4%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
Proof of concept
Technical impact
Total

Weaknesses (CWE)

  • CWE-122
    Heap-based Buffer Overflow