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Fencer Vulns
high 8.2

CVE-2019-6486 json

Denial of service affecting P-521 and P-384 curves in crypto/elliptic

published 2019-01-24 7 y ago modified 2026-06-17 4 mo ago also GO-2022-0217 , EUVD-2019-16046

cvss
8.2
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.5%
EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Go before 1.10.8 and 1.11.x before 1.11.5 mishandles P-521 and P-384 elliptic curves, which allows attackers to cause a denial of service (CPU consumption) or possibly conduct ECDH private key recovery attacks.

Patch / fix

  • go stdlib 1.10.8, 1.11.5
  • golang go 1.10.8, 1.11.5
  • golang-github-docker-libnetwork SLE Module for Containers 15 SP1, SLE Module for Containers 15 0.7.0.1+gitr2726_872f0a83c98a-4.12.1
  • docker SLE Module for Containers 15 SP1, SLE Module for Containers 15 18.09.6_ce-6.17.1
  • containerd SLE Module for Containers 15 SP1, SLE Module for Containers 15 1.2.5-5.13.1
  • docker-runc SLE Module for Containers 15 SP1, SLE Module for Containers 15 1.0.0rc6+gitr3804_2b18fe1d885e-6.18.1
  • golang-github-docker-libnetwork SLE Module for Containers 12 0.7.0.1+gitr2726_872f0a83c98a-19.1
  • docker SLE Module for Containers 12 18.09.6_ce-98.37.1
  • containerd SLE Module for Containers 12 1.2.5-16.17.2
  • docker-runc SLE Module for Containers 12 1.0.0rc6+gitr3804_2b18fe1d885e-1.23.1

suse advisories SUSE-SU-2019:1234-2SUSE-SU-2019:1264-1SUSE-SU-2019:1234-1

  • go openSUSE Tumbleweed 1.17-1.1
  • go1.10 openSUSE Tumbleweed 1.10.8-8.2
  • go1.11 openSUSE Tumbleweed 1.11.13-10.5
  • go1.12 openSUSE Tumbleweed 1.12.17-4.8
  • go Package Hub 15 1.12-bp150.2.6.1
  • golang-github-docker-libnetwork openSUSE Leap 15.0 0.7.0.1+gitr2726_872f0a83c98a-lp150.3.14.1
  • go openSUSE Leap 15.0 1.12-lp150.2.11.1
  • docker openSUSE Leap 15.0 18.09.6_ce-lp150.5.17.2

opensuse advisories openSUSE-SU-2024:10802-1openSUSE-SU-2024:10803-1openSUSE-SU-2024:10804-1openSUSE-SU-2024:10805-1openSUSE-SU-2019:1506-1openSUSE-SU-2019:1499-1

  • go Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 1.11.5-r0
  • go Alpine 3.8 1.10.8-r0

alpine advisories ALPINE-CVE-2019-6486

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • go Arch Linux 2:1.11.5-1

arch linux advisories AVG-859

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-6486 updated cvss 7.5

golang: crypto/elliptic implementations of P-521 and P-384 elliptic curves allow for denial of service

  • Red Hat Ceph Storage 2 golang, golang-bin, golang-src Red Hat Ceph Storage 3 golang, golang-bin, golang-src Red Hat Enterprise Linux 8 golang, go-toolset, golang-bin, golang-src, golang-misc, golang-race, +1 more
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 3.2 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +7 more Red Hat OpenShift Container Platform 3.3 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +6 more Red Hat OpenShift Container Platform 3.4 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +6 more Red Hat OpenShift Container Platform 3.5 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +6 more Red Hat OpenShift Container Platform 3.6 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +9 more Red Hat OpenShift Container Platform 3.7 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +10 more
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 8 (Liberty) Operational Tools golang, golang-src, golang-pkg-linux-amd64, golang-pkg-bin-linux-amd64 Red Hat OpenStack Platform 9 (Mitaka) Operational Tools golang, golang-bin, golang-src Red Hat Storage 3 golang, golang-bin, golang-src, golang-misc, golang-tests
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 golang, golang-bin, golang-src, golang-misc, golang-tests Red Hat OpenShift Container Platform 3.9 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +8 more Red Hat OpenShift Container Platform 3.10 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +7 more Red Hat OpenShift Container Platform 3.11 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +7 more Red Hat OpenShift Container Platform 4 openshift, openshift-clients, openshift-kubelet, openshift-hyperkube, openshift-kube-apiserver, openshift-kube-scheduler, +2 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.50% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Affected packages

ecosystem package affected fixed in
go stdlib
<1.10.8
>=1.11.0-0, <1.11.5
1.10.8
1.11.5

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.