Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS : rsync vulnerabilities (USN-8349-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8349-1 advisory. Calum Hutton discovered that rsync contained a heap-based out-of-bounds read when handling file transfers. A remote...

USN-8349-1 rsync vulnerabilities

Calum Hutton discovered that rsync contained a heap-based out-of-bounds read when handling file transfers. A remote attacker with read access to an rsync server could possibly use this issue to cause a denial of service. CVE-2025-10158 Batuhan Sancak, Damien Neil, and Michael Stapelberg discovere...

USN-8349-1: rsync vulnerabilities

Calum Hutton discovered that rsync contained a heap-based out-of-bounds read when handling file transfers. A remote attacker with read access to an rsync server could possibly use this issue to cause a denial of service. CVE-2025-10158 Batuhan Sancak, Damien Neil, and Michael Stapelberg discovere...

rsync: Fix of 2 CVEs

CVE-2026-43618: fix integer overflow in compressed-token decoding that could leak rsync process memory contents over the wire - CVE-2026-29518: fix TOCTOU race on parent path components in non-chroot daemon by routing receiver/sender opens, chmod, and chdir through per- component ONOFOLLOW secure...

Amazon Linux 2023 : bind, bind-chroot, bind-devel (ALAS2023-2026-1755)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1755 advisory. Fix GSS-API resource leak CVE-2026-3039 Limit resolver server list size CVE-2026-3592 An unauthenticated remote attacker can crash any affected named instance with a single crafted DNS message...

CLSA-2026-1779694887 rsync: Fix of CVE-2026-29518

CVE-2026-29518: fix daemon-no-chroot TOCTOU symlink race by tracking per-module chroot in amchrooted, routing sender read-path, receiver basis-file open, mkstemp, and inplace write through securerelativeopen / securemkstemp...

Linux Distros Unpatched Vulnerability : CVE-2026-44933

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PluginScript attempts to chroot the plugin to the repoManagerRoot, this root is frequently / the system root in standard configurations or when using --root. If...

CVE-2026-29518

A flaw was found in rsync. An rsync daemon configured with "use chroot = no" is exposed to a time-of-check / time-of-use race on parent path components. A local attacker with write access to a module can replace a parent directory component with a symlink between the receiver's check and its open...

CVE-2026-43617

A flaw was found in rsync. When an rsync daemon is configured with "daemon chroot = /X" and uses hostname-based access control lists ACLs, and the chrooted directory /X lacks necessary DNS resolution files, a remote attacker can bypass hostname-based deny rules. This occurs because the daemon...

CVE-2026-43619

A flaw was found in rsync. A local attacker with filesystem access on the daemon host can exploit a symlink race vulnerability CWE-367 Time-of-check to time-of-use in rsync daemons configured with 'use chroot = no'. This allows the attacker to redirect path-based system calls, such as chmod,...

SUSE 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...

SUSE 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...

SUSE 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...

[slackware-security] rsync

New rsync packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/rsync-3.4.3-i586-1slack15.0.txz: Upgraded. This update fixes security issues: TOCTOU symlink race condition allowing local privilege...

SUSE CVE-2026-44933

PluginScript attempts to chroot the plugin to the repoManagerRoot, this root is frequently / the system root in standard configurations or when using --root. If the chroot target is /, it is a no-op, allowing the traversed path to execute host binaries like /bin/bash with root privileges...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : rsync vulnerabilities (USN-8283-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8283-1 advisory. Calum Hutton discovered that rsync contained a heap-based out-of-bounds read when handling file transfers. A remote...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition in the daemon file handling. An attacker can create or overwrite arbitrary files by replacing parent directory components with symbolic links during the window between validation and use...

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...

ALPINE-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...

CVE-2026-29518 Rsync < 3.4.3 TOCTOU Race Condition Allows Symlink-Based Arbitrary File Write

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...