CVE-2019-17596

Exp

Go before 1.12.11 and 1.3.x before 1.13.2 can panic upon an attempt to process network traffic containing an invalid DSA public key. There are several attack scenarios, such as traffic from a client to a server that verifies client certificates.

Published: 2019-10-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2019-17596 is rated High Exploit Risk (79.1/100): CVSS High severity, with high exploitation likelihood (EPSS 4.69%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.35% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2019-17596

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-17596

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.34% 4.69% +2.35%
2 2025-11-21 7.70% 2.34% -5.36%
3 2025-11-18 7.70%

Full EPSS history (22 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-17596

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-17596

OS Trackers for CVE-2019-17596

vendor priority summary link
alpine high CVE-2019-17596: 2 source package rows (containerd, go); 18 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 18, open 0. https://security.alpinelinux.org/vuln/CVE-2019-17596
redhat medium https://access.redhat.com/security/cve/CVE-2019-17596
suse medium CVE-2019-17596 severity moderate: SUSE including 27 source package names (go-toolset-1.12.12-2.module+el8.1.0+5317+8a49ffbb, go1.12-1.12.12-1.20.1, …), 69 product×package rows across 13 product lines (SUSE Liberty Linux 8, SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP2, … (13 product lines)): Fixed 69. https://www.suse.com/security/cve/CVE-2019-17596/
ubuntu medium CVE-2019-17596 medium priority: Ubuntu including 8 source packages (golang, golang-1.10, …), 144 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 117, ignored 8, needs-triage 7, not-affected 7, needed 3, released 2. https://ubuntu.com/security/CVE-2019-17596

Affected software / configurations for CVE-2019-17596

Vendor Product Version Raw CPE
golang go >= 1.12, < 1.12.11 cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
golang go >= 1.13, < 1.13.2 cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
fedoraproject fedora 30 cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
fedoraproject fedora 31 cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
redhat developer_tools 1.0 cpe:2.3:a:redhat:developer_tools:1.0:*:*:*:*:*:*:*
redhat enterprise_linux 8.0 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 8.1 cpe:2.3:o:redhat:enterprise_linux_server:8.1:*:*:*:*:*:*:*
opensuse leap 15.0 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
opensuse leap 15.1 cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
arista cloudvision_portal >= 2018.1.0, <= 2018.2.3 cpe:2.3:a:arista:cloudvision_portal:*:*:*:*:*:*:*:*
arista cloudvision_portal 2019.1.0 cpe:2.3:a:arista:cloudvision_portal:2019.1.0:*:*:*:*:*:*:*
arista cloudvision_portal 2019.1.1 cpe:2.3:a:arista:cloudvision_portal:2019.1.1:*:*:*:*:*:*:*
arista cloudvision_portal 2019.1.2 cpe:2.3:a:arista:cloudvision_portal:2019.1.2:*:*:*:*:*:*:*
arista terminattr <= 1.7.2 cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:*
arista eos <= 4.23.1f cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista mos <= 0.25 cpe:2.3:o:arista:mos:*:*:*:*:*:*:*:*

References for CVE-2019-17596

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00043.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00044.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0101 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0329 Third Party Advisory
https://github.com/golang/go/issues/34960 Exploit Issue Tracking Patch Third Party Advisory
https://groups.google.com/d/msg/golang-announce/lVEm7llp0w0/VbafyRkgCgAJ Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00014.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00015.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5VS3HPSE25ZSGS4RSOTADC67YNOHIGVV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WVOWGM7IQGRO7DS2MCUMYZRQ4TYOZNAS/
https://security.netapp.com/advisory/ntap-20191122-0005/ Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/10134-security-advisory-46 Third Party Advisory
https://www.debian.org/security/2019/dsa-4551 Third Party Advisory
cvelogic Threat Intelligence