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Vulnerability record · CVE-2018-5764 · published 17 January 2018

CVE-2018-5764: Samba rsync vulnerability

Samba · Rsync

The parse_arguments function in options.c in rsyncd in rsync before 3.1.3 does not prevent multiple --protect-args uses, which allows remote attackers to bypass an argument-sanitization protection mechanism.

7.5 CVSS 3.1 High EPSS 6.4% · top 6.6%
7.5CVSS 3.1 base score, v2 5.0
6.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

The parse_arguments function in options.c in rsyncd in rsync before 3.1.3 does not prevent multiple --protect-args uses, which allows remote attackers to bypass an argument-sanitization protection mechanism.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/102803 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040276 Third Party AdvisoryVDB Entry
https://download.samba.org/pub/rsync/src-previews/rsync-3.1.3pre1-NEWS Release NotesVendor Advisory
https://git.samba.org/rsync.git/?p=rsync.git%3Ba=commit%3Bh=7706303828fcde524222babb2833864a4bd09e07
https://lists.debian.org/debian-lts-announce/2018/01/msg00021.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00027.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00028.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201805-04 Third Party Advisory
https://usn.ubuntu.com/3543-1/ Third Party Advisory
http://www.securityfocus.com/bid/102803 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040276 Third Party AdvisoryVDB Entry
https://download.samba.org/pub/rsync/src-previews/rsync-3.1.3pre1-NEWS Release NotesVendor Advisory
https://git.samba.org/rsync.git/?p=rsync.git%3Ba=commit%3Bh=7706303828fcde524222babb2833864a4bd09e07
https://lists.debian.org/debian-lts-announce/2018/01/msg00021.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00027.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00028.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201805-04 Third Party Advisory
https://usn.ubuntu.com/3543-1/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-5764), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.