PT-2026-42052

Name of the Vulnerable Software and Affected Versions rsync versions prior to 3.4.3 Description An integer overflow exists in the compressed-token decoder due to a 32-bit signed counter that is not checked for overflow. A malicious sender can trigger this overflow, causing the receiver process to...

Rsync 安全漏洞

Rsync is a fast and versatile file copying tool developed by RsyncProject. It is used for both remote and local files. Versions of Rsync prior to 3.4.3 contained security vulnerabilities. These vulnerabilities stemmed from a stack write issue in the establishproxyconnection function. Network...

CVE-2026-45232

Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establishproxyconnection function in socket.c that allows network attackers to corrupt stack memory by sending a malformed HTTP proxy response. Attackers can exploit this by positioning themselves...

Rsync 缓冲区错误漏洞

Rsync is a fast and versatile file copying tool developed by RsyncProject. It is used for both remote and local files. Versions of Rsync 3.4.2 and earlier have a buffer error vulnerability. This vulnerability stems from an array out-of-bounds read in the recvfiles function in receiver.c. A...

CVE-2026-43620

Rsync version 3.4.2 and prior contain a receiver-side out-of-bounds array read vulnerability in recvfiles in receiver.c that allows a malicious rsync server to crash the rsync client process. Attackers can exploit the vulnerability by setting CFINCRECURSE in compatibility flags and sending a...

CVE-2026-43617

Rsync version 3.4.2 and prior contain an authorization bypass vulnerability in the rsync daemon's hostname-based access control list enforcement when configured with chroot. Attackers can bypass hostname-based deny rules by controlling the PTR record for their source IP address, allowing...

UBUNTU-CVE-2026-43620

Rsync version 3.4.2 and prior contain a receiver-side out-of-bounds array read vulnerability in recvfiles in receiver.c that allows a malicious rsync server to crash the rsync client process. Attackers can exploit the vulnerability by setting CFINCRECURSE in compatibility flags and sending a...

net/rsync -- multiple vulnerabilities

The rsync project reports: Six CVEs are fixed in this release. All six are assigned by VulnCheck as CNA. Affected versions are 3.4.2 and earlier in every case. In addition to the six CVE fixes, this release adds defence-in-depth hardening on several adjacent paths: bounded wire-supplied counts an...

Linux Distros Unpatched Vulnerability : CVE-2026-29518

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Rsync versions before 3.4.3 contain a time-of-check to time-of-use TOCTOU race condition in daemon file handling that allows attackers to redirect file writes...

Debian dsa-6282 : rsync - security update

The remote Debian 12 / 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6282 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6282-1 [email protected]...

Fedora 43 : rsync (2026-d4d8ae2bdc)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-d4d8ae2bdc advisory. Fixing various bugs from Upstream. I did not do a rebase since the Upstream stopped supporting the rsync-patches repo. I accepted this change in Rawhide but ...

Linux Distros Unpatched Vulnerability : CVE-2026-43618

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Rsync version 3.4.2 and prior contain an integer overflow vulnerability in the compressed-token decoder where a 32-bit signed counter is not checked for overflo...

Linux Distros Unpatched Vulnerability : CVE-2026-43619

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir,...

Rsync 安全漏洞

Rsync is a fast and versatile file copying tool developed by RsyncProject. It is used for both remote and local files. Versions of Rsync prior to 3.4.3 contained security vulnerabilities. These vulnerabilities stemmed from race conditions in the handling of daemon process files, where checks on...

Rsync 缓冲区错误漏洞

Rsync is a fast and versatile file copying tool developed by RsyncProject. It is used for both remote and local files. Versions of Rsync 3.4.2 and earlier have a buffer error vulnerability. This vulnerability stems from a 32-bit signed counter in the compression token decoder that does not check...

CVE-2026-29518

Rsync versions before 3.4.3 contain a time-of-check to time-of-use TOCTOU race condition in daemon file handling that allows attackers to redirect file writes outside intended directories by replacing parent directory components with symbolic links. Attackers with write access to a module path ca...

UBUNTU-CVE-2026-43619

Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module...

UBUNTU-CVE-2026-43617

Rsync version 3.4.2 and prior contain an authorization bypass vulnerability in the rsync daemon's hostname-based access control list enforcement when configured with chroot. Attackers can bypass hostname-based deny rules by controlling the PTR record for their source IP address, allowing...

UBUNTU-CVE-2026-29518

Rsync versions before 3.4.3 contain a time-of-check to time-of-use TOCTOU race condition in daemon file handling that allows attackers to redirect file writes outside intended directories by replacing parent directory components with symbolic links. Attackers with write access to a module path ca...

rsync: rsync server leaks arbitrary client files

A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare wi...