CVE-2019-5163
7.5
HIGH
CVSS 3.1
EPSS 2.3%
Description
An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher and a local_address, arbitrary UDP packets can cause a FATAL error code path and exit. An attacker can send arbitrary UDP packets to trigger this vulnerability.
How to fix CVE-2019-5163
To remediate CVE-2019-5163, upgrade the affected package to a fixed version below.
- Debian/shadowsocks-libev—upgrade to 3.3.3+ds-2 or later
Is CVE-2019-5163 being exploited?
Low — EPSS is 2.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.3.3+ds-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |