CVE catalog

CVE-2018-16737

tinc: CVE-2018-16737

Severity: Medium · CVSS 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Published: Oct 8, 2018, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.47% · Oct 25, 2026

tinc before 1.0.30 has a broken authentication protocol, without even a partial mitigation.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	tinc	sid	`1.0.36-2.1`	fixed
Debian	tinc	forky	`1.0.36-2.1`	fixed
Debian	tinc	trixie	`1.0.36-2.1`	fixed
Debian	tinc	bookworm	`1.0.36-2`	fixed
Alpine	tinc	3.10	`1.0.35-r0`	fixed
Alpine	tinc	3.11	`1.0.35-r0`	fixed
Alpine	tinc	3.12	`1.0.35-r0`	fixed
Alpine	tinc	3.13	`1.0.35-r0`	fixed
Alpine	tinc	3.14	`1.0.35-r0`	fixed
Alpine	tinc	3.15	`1.0.35-r0`	fixed
Alpine	tinc	3.16	`1.0.35-r0`	fixed
Alpine	tinc	3.17	`1.0.35-r0`	fixed
Alpine	tinc	3.18	`1.0.35-r0`	fixed
Alpine	tinc	3.19	`1.0.35-r0`	fixed
Alpine	tinc	3.20	`1.0.35-r0`	fixed
Alpine	tinc	3.21	`1.0.35-r0`	fixed
Alpine	tinc	3.22	`1.0.35-r0`	fixed
Alpine	tinc	3.23	`1.0.35-r0`	fixed
Alpine	tinc	3.24	`1.0.35-r0`	fixed
Alpine	tinc	3.9	`1.0.35-r0`	fixed
Opensuse	tinc	tumbleweed	`1.0.36-1.9`	fixed
Ubuntu	tinc	16.04	`1.0.26-1`	vulnerable
Ubuntu	tinc	18.04	`1.0.31-1`	vulnerable
Ubuntu	tinc	18.04	`1.0.32-1`	vulnerable
Ubuntu	tinc	18.04	`1.0.33-1`	vulnerable
Ubuntu	tinc	18.04	`1.0.33-1build1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	tinc	source	sid	`1.0.31-1`	not yet assigned	Not reported	Not reported
Debian	tinc	source	forky	`1.0.31-1`	not yet assigned	Not reported	Not reported
Debian	tinc	source	trixie	`1.0.31-1`	not yet assigned	Not reported	Not reported
Debian	tinc	source	bookworm	`1.0.31-1`	not yet assigned	Not reported	Not reported
Alpine	tinc	apk	3.10	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.11	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.12	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.13	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.14	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.15	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.16	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.17	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.18	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.19	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.20	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.21	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.22	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.23	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.24	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Alpine	tinc	apk	3.9	`1.0.35-r0`	Not reported	ALPINE-CVE-2018-16737	Not reported
Opensuse	tinc	rpm	tumbleweed	`1.0.36-1.9`	Not reported	OPENSUSE-SU-2024:11463-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[tinc]Fixed
Source package: [tinc]
Details (2)
- 1.0.36-2+b2 · amd64 · bookworm
  Fixed · Fixed: 1.0.31-1
  dsa · tinc · debian · bookworm; dsa · tinc · debian · 12
- 1.0.36-2+b2 · arm64 · bookworm
  Fixed · Fixed: 1.0.31-1
  dsa · tinc · debian · bookworm; dsa · tinc · debian · 12

[Debian 13 (Trixie)]

[tinc]Fixed
Source package: [tinc]
Details (2)
- 1.0.36-2.1 · amd64 · trixie
  Fixed · Fixed: 1.0.31-1
  dsa · tinc · debian · 13
- 1.0.36-2.1+b1 · arm64 · trixie
  Fixed · Fixed: 1.0.31-1
  dsa · tinc · debian · 13

[openSUSE Tumbleweed]

[tinc]Fixed
Source package: [tinc]
Details (1)
- 1.0.37-1.4 · x86_64 · tumbleweed
  Fixed · Fixed: 1.0.36-1.9
  dsa · tinc · opensuse · tumbleweed

Observed: Oct 23, 2026, 5:35:06 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]