CVE-2019-5163: opensuse backports
Vulnerability summary
CVE-2019-5163 is a high (CVSS 7.5) vulnerability in opensuse backports. EPSS estimates a 2.64% chance of exploitation in the next 30 days, higher than 85.4% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 03-12-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 4 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.64%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
+0.35 pp
From 2.29% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- shadowsocks-libev< 3.3.3+ds-2
Shadowsocks1 product
- shadowsocks-libev3.3.2
Ubuntu1 product
- shadowsocks-libevAll versions (No fix recorded)
4 vendors · 5 products
References
7 links- lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- talosintelligence.com/vulnerability_reports/TALOS-2019-0956X Refsource MISCREPORTExploitThird Party Advisory