ESB-2026.5539

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.5539 rsync security update 21 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: rsync Publisher: Debian Operating System: Debian GNU/Linux Resolution: Patch/Upgrade CVE Names: CVE-2026-43619 CVE-2026-43620 CVE-2026-29518 CVE-2026-43617 CVE-2026-43618 Original Bulletin: https://lists.debian.org/debian-lts-announce/2026/05/msg00036.html Comment: CVSS (Max): 8.1 CVE-2026-43618 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H) CVSS Source: Debian Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H EPSS (Max): 0.0% (12th)* CVE-2026-43618 2026-05-20 * Not all EPSS found when published - --------------------------BEGIN INCLUDED TEXT-------------------- - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4591-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Thorsten Alteholz May 20, 2026 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : rsync Version : 3.2.3-4+deb11u4 CVE ID : CVE-2026-29518 CVE-2026-43617 CVE-2026-43618 CVE-2026-43619 CVE-2026-43620 Several vulnerabilities were discovered in rsync, a fast, versatile, remote (and local) file-copying tool, which may result in local privilege escalation, bypass of intended access restrictions, remote memory disclosure to an authenticated daemon peer or denial of service. For Debian 11 bullseye, these problems have been fixed in version 3.2.3-4+deb11u4. We recommend that you upgrade your rsync packages. For the detailed security status of rsync please refer to its security tracker page at: https://security-tracker.debian.org/tracker/rsync Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================