CVE-2024-12084
Rsync: heap buffer overflow in rsync due to improper checksum length handling
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-122 |
| Published | Jan 15, 2025 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHBA-2025:6470 access.redhat.com: https://access.redhat.com/security/cve/CVE-2024-12084 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2330527 kb.cert.org: https://kb.cert.org/vuls/id/952657 github.com: https://github.com/google/security-research/security/advisories/GHSA-p5pg-x43v-mvqj openwall.com: http://www.openwall.com/lists/oss-security/2025/01/14/6 security.netapp.com: https://security.netapp.com/advisory/ntap-20250131-0002/ kb.cert.org: https://www.kb.cert.org/vuls/id/952657
Credits
Red Hat would like to thank Jasiel Spelman (Google), Pedro Gallegos (Google), and Simon Scannell (Google) for reporting this issue.