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BELL-CVE-2026-70462

Affected: Alpaquita:23: rsync, Alpaquita:25: rsync, Alpaquita:stream: rsync

fkie_cve-2026-70462

rsync 3.1.0 before 3.5.0 contains a signed integer overflow vulnerability in the I/O timeout implementation that allows attackers to permanently disable connection timeouts by injecting MSG_IO_TIMEOUT messages carrying non-positive (zero or negative) values. Attackers can craft malicious MSG_IO_TIMEOUT messages that cause the timeout variable to wrap to a non-positive value, preventing the timeout check from firing and enabling idle or stalled connections to hold daemon slots indefinitely, leading to resource exhaustion.

msrc_CVE-2026-70462 — rsync 3.1.0 < 3.5.0 Signed Integer Overflow via MSG_IO_TIMEOUT

msrc_CVE-2026-70462

OESA-2026-3949 — rsync security update

Affected: openEuler:24.03-LTS-SP1: rsync

Rsync is an open source utility that provides fast incremental file transfer. It uses the &quot;rsync algorithm&quot; which provides a very fast method for bringing remote files into sync. It does this by sending just the differences in the files across the link, without requiring that both sets of files are present at one of the ends of the link beforehand. Security Fix(es):

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. Attackers with local filesystem access can exploit the timing window between path resolution and syscall execution by swapping symlinks to apply sender-supplied permissions, ownership, timestamps, or filenames to arbitrary files outside the intended module boundary on rsync daemons configured with 'use chroot = no'.(CVE-2026-43619)

rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the rrsync restricted shell wrapper that allows authenticated clients to escape enforced directory restrictions by substituting a symlink for a path component after validation but before transfer processing. Attackers can additionally leverage unrestricted flags such as --copy-unsafe-links, -D, and --log-file through rrsync to read or write files outside the permitted…

openSUSE-SU-2026:11869-1 — rsync-3.5.1-1.1 on GA media

rsync-3.5.1-1.1 on GA media

SUSE-SU-2026:23253-1 — Security update for rsync

Security update for rsync

UBUNTU-CVE-2026-70462

Affected: Ubuntu:Pro:14.04:LTS: rsync, Ubuntu:Pro:16.04:LTS: rsync, Ubuntu:Pro:18.04:LTS: rsync, Ubuntu:Pro:20.04:LTS: rsync, Ubuntu:22.04:LTS: rsync, Ubuntu:24.04:LTS: rsync, Ubuntu:26.04:LTS: rsync