CVE-2024-12084Rsync: heap buffer overflow in rsync due to improper checksum length handling
Updated under an hour ago ()
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It affects Red Hat Enterprise Linux 10 and 8 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Modified
- Record last updated
- Oct 21, 2026
- First seen by InfoSec Signals
- Oct 21, 2026
Affected products
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux | from 0:3.4.1-2.el10 not affected | CNA record |
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift | 4 | CNA record |
samba rsync samba:rsync | 3.2.7; 3.3.0 | NVD |
almalinux almalinux almalinux:almalinux | 10.0 | NVD |
archlinux arch_linux archlinux:arch_linux | all versions | NVD |
gentoo linux gentoo:linux | all versions | NVD |
nixos nixos nixos:nixos | before 24.11; 24.11 | NVD |
novell suse_linux novell:suse_linux | all versions | NVD |
tritondatacenter smartos tritondatacenter:smartos | before 20250123 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 10.0 | NVD |
References
- https://access.redhat.com/errata/RHBA-2025:6470vendor-advisory, x-refsource-redhat
- https://access.redhat.com/security/cve/CVE-2024-12084vdb-entry, x-refsource-redhat, third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2330527issue-tracking, x-refsource-redhat, 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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.