OESA-2026-2550 rsync security update

Rsync is an open source utility that provides fast incremental file transfer. It uses the "rsync algorithm" 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 a...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error via the establishproxyconnection function. An attacker can corrupt stack memory by sending a specially crafted HTTP proxy response line of 1023 or more bytes without a newline terminator, potentially leading to...

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...

CVE-2026-45232

Rsync

EUVD-2026-31009

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...

CVE-2026-45232 Rsync < 3.4.3 Off-by-One Stack Write via HTTP Proxy

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...

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...

DEBIAN-CVE-2004-2093

Buffer overflow in the opensocketout function in socket.c for rsync 2.5.7 and earlier allows local users to cause a denial of service crash and possibly execute arbitrary code via a long RSYNCPROXY environment variable. NOTE: since rsync is not setuid, this issue does not provide any additional...