vulnerability
FreeBSD: VID-9ee01e60-6045-43df-98e5-a794007e54ef (CVE-2021-21404): syncthing -- crash due to malformed relay protocol message
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Apr 12, 2021 | Nov 4, 2022 | Mar 25, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Apr 12, 2021
Added
Nov 4, 2022
Modified
Mar 25, 2026
Description
syncthing developers report: syncthing can be caused to crash and exit if sent a malformed relay protocol message message with a negative length field. The relay server strelaysrv can be caused to crash and exit if sent a malformed relay protocol message with a negative length field.
Solution
freebsd-upgrade-package-syncthing
Rapid7 Labs
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