Description
A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length (s2length) to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | rsync | ≤ 3.3.0 | — |
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION | — | — |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.13 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.14 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.15 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.16 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.17 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.18 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | rsync | 3.3.0+ds1-3 | — |
| Debian 13 | rsync | 3.3.0+ds1-3 | — |
| Debian 12 | rsync | 3.2.7-1+deb12u1 | DSA-5843-1 |
| Debian 11 | rsync | 3.2.3-4+deb11u2 | DLA-4015-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | rsync | 3.2.7-1ubuntu1.1 | USN-7206-1 |
| Ubuntu 22.04 LTS | rsync | 3.2.7-0ubuntu0.22.04.3 | USN-7206-1 |
| Ubuntu 20.04 LTS | rsync | 3.1.3-8ubuntu0.8 | USN-7206-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | rsync | 3.1.2-2.1ubuntu1.6+esm1 | USN-7206-1 |
| Ubuntu Pro 16.04 LTS | rsync | 3.1.1-3ubuntu1.3+esm3 | USN-7206-1 |
| Ubuntu Pro 14.04 LTS | rsync | 3.1.0-2ubuntu0.4+esm1 | USN-7206-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | rsync +2 | 3.4.1-2.el10 | RHBA-2025:6470 |
| RHEL 9 | rsync +1 | 3.2.3-20.el9_5.1 | RHSA-2025:0324 |
| RHEL 8 | rsync +1 | 3.1.3-20.el8_10 | RHSA-2025:0325 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | rsync +1 | 3.2.3-19.el9_4.1 | RHSA-2025:0637 |
| RHEL 9.2 EUS | rsync +1 | 3.2.3-19.el9_2.1 | RHSA-2025:0774 |
| RHEL 9.0 E4S | rsync +1 | 3.2.3-9.el9_0.3 | RHSA-2025:0688 |
| RHEL 8.8 EUS | rsync +1 | 3.1.3-20.el8_8.1 | RHSA-2025:0787 |
| RHEL 8.6 TUS | rsync +1 | 3.1.3-14.el8_6.6 | RHSA-2025:0790 |
| RHEL 8.6 E4S | rsync +1 | 3.1.3-14.el8_6.6 | RHSA-2025:0790 |
| RHEL 8.6 AUS | rsync +1 | 3.1.3-14.el8_6.6 | RHSA-2025:0790 |
| RHEL 8.4 TUS | rsync +1 | 3.1.3-12.el8_4.3 | RHSA-2025:0885 |
| RHEL 8.4 E4S | rsync +1 | 3.1.3-12.el8_4.3 | RHSA-2025:0885 |
| RHEL 8.4 AUS | rsync +1 | 3.1.3-12.el8_4.3 | RHSA-2025:0885 |
| RHEL 8.2 AUS | rsync +1 | 3.1.3-7.el8_2.3 | RHSA-2025:0884 |
| RHEL 7 ELS | rsync | 3.1.2-12.el7_9.1 | RHSA-2025:0714 |
| RHEL 6 ELS | rsync | 3.0.6-12.el6_10.1 | RHSA-2025:0849 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | rsync +1 | 3.2.3-20.el9_5.1 | ALSA-2025:0324 |
| AlmaLinux 8 | rsync +1 | 3.1.3-20.el8_10 | ALSA-2025:0325 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | rsync | 3.2.3-20.el9_5.1 | RLSA-2025:0324 |
| Rocky Linux 8 | rsync | 3.1.3-20.el8_10 | RLSA-2025:0325 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | rsync | 3.2.7-150600.3.8.1 | SUSE-SU-2025:0156-1 |
| SLES 15 SP5 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLES 15 SP4 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLES 15 SP3 | rsync | 3.2.3-150000.4.33.1 | SUSE-SU-2025:0157-1 |
| SLES 12 SP5 | rsync | 3.1.3-3.22.1 | SUSE-SU-2025:0166-1 |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLES for SAP 15 SP4 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLES for SAP 15 SP3 | rsync | 3.2.3-150000.4.33.1 | SUSE-SU-2025:0157-1 |
| SLE Micro 6.1 | rsync | 3.3.0-slfo.1.1_3.1 | SUSE-SU-2025:20223-1 |
| SLE Micro 6.0 | rsync | 3.2.7-4.1 | SUSE-SU-2025:20122-1 |
| SLE Micro 5.5 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLE Micro 5.4 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLE Micro 5.3 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLE Micro 5.2 | rsync | 3.2.3-150000.4.33.1 | SUSE-SU-2025:0157-1 |
| SLE Micro 5.1 | rsync | 3.2.3-150000.4.33.1 | SUSE-SU-2025:0157-1 |
| SLE HPC 15 SP5 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLE HPC 15 SP4 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SLE HPC 15 SP3 | rsync | 3.2.3-150000.4.33.1 | SUSE-SU-2025:0157-1 |
| SUSE Manager Server 4.3 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SUSE Manager Proxy 4.3 | rsync | 3.2.3-150400.3.17.1 | SUSE-SU-2025:0165-1 |
| SUSE Enterprise Storage 7.1 | rsync | 3.2.3-150000.4.33.1 | SUSE-SU-2025:0157-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | rsync | 3.4.1-1.1 | openSUSE-SU-2025:14665-1 |
| openSUSE Leap 15.6 | rsync | 3.2.7-150600.3.8.1 | SUSE-SU-2025:0156-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | rsync | 3.4.0-r0 | — |
| Alpine v3.23 | rsync | 3.4.0-r0 | — |
| Alpine v3.22 | rsync | 3.4.0-r0 | — |
| Alpine v3.21 | rsync | 3.4.0-r0 | — |
| Alpine v3.20 | rsync | 3.4.0-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | rsync | 3.4.0-r0 | — |
| Alpine v3.18 | rsync | 3.4.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | rsync +1 | 3.4.0-1.amzn2023.0.2 | ALAS2023-2025-801 |
| Amazon Linux 2 | rsync | 3.1.2-11.amzn2.0.5 | ALAS2-2025-2731 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | rsync | 3.4.1-1 | — |
| Azure Linux 2 (CBL-Mariner) | rsync | 3.4.1-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | rsync +1 | 3.2.3-20.el9_5.1 | ELSA-2025-0324 |
| Oracle Linux 8 | rsync +1 | 3.1.3-20.el8_10 | ELSA-2025-0325 |
| Oracle Linux 7 | rsync | 3.1.2-12.0.1.el7_9 | ELSA-2025-0714 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
Otsutez/cve-2024-12085 ★ 0 · Jul 24, 2025
Exploit for CVE-2024-12085 Infoleak
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 35
- ALSA-2025:0324 Important: rsync security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:0325 Important: rsync security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:0885 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0884 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0849 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0790 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0774 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0787 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0714 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0688 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0637 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0324 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:0325 Red Hat Security Advisory: rsync security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHBA-2025:6470 Red Hat Bug Fix Advisory: rsync bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- WID-SEC-2025-0084 Rsync: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 4, 2026
- USN-7206-1 Several security issues were fixed in rsync Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2025:20122-1 Security update for rsync SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20223-1 Security update for rsync SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-5843-1 rsync - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4015-1 rsync - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2025:0325 Important: rsync security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2025:0324 Important: rsync security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2025:0166-1 Security update for rsync SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0165-1 Security update for rsync SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0156-1 Security update for rsync SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:14665-1 rsync-3.4.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-2633 Aruba AOS-CX: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 18, 2025
- VDE-2025-053 Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware CERT@VDE · Jul 8, 2025
- SUSE-SU-2025:0157-1 Security update for rsync SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2025-0714 Important: rsync security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 14, 2025
- ALAS2-2025-2731 Important: rsync security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 16, 2025
- ALAS2023-2025-801 Important: rsync security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jan 16, 2025
- NCSC-2025-0015 Kwetsbaarheden verholpen in Rsync NCSC-NL (Netherlands) · Jan 15, 2025
- ELSA-2025-0324 Important: rsync security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jan 15, 2025
- ELSA-2025-0325 Important: rsync security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jan 15, 2025
References
- RHBA-2025:6470 vendor-advisory
- RHSA-2024:6122 vendor-advisory
- RHSA-2025:0324 vendor-advisory
- RHSA-2025:0325 vendor-advisory
- RHSA-2025:0637 vendor-advisory
- RHSA-2025:0688 vendor-advisory
- RHSA-2025:0714 vendor-advisory
- RHSA-2025:0774 vendor-advisory
- RHSA-2025:0787 vendor-advisory
- RHSA-2025:0790 vendor-advisory
- RHSA-2025:0849 vendor-advisory
- RHSA-2025:0884 vendor-advisory
- RHSA-2025:0885 vendor-advisory
- RHSA-2025:1120 vendor-advisory
- RHSA-2025:1123 vendor-advisory
- RHSA-2025:1128 vendor-advisory
- RHSA-2025:1225 vendor-advisory
- RHSA-2025:1227 vendor-advisory
- RHSA-2025:1242 vendor-advisory
- RHSA-2025:1451 vendor-advisory
- RHSA-2025:21885 vendor-advisory
- RHSA-2025:2701 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2024-12085 vdb-entry
- RHBZ#2330539 issue-tracking
- https://kb.cert.org/vuls/id/952657