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Fencer Intel
medium 5.5

CVE-2018-3639 json

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior me…

published 8y ago modified 4mo ago also EUVD-2018-15493

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
60.4%
EPSS 60.4% chance of exploitation in 30 days, percentile 99.1%
public exploits
1
Exploit-DB

Summary

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.

Patch / fix

  • schneider-electric struxureware_data_center_expert 7.6.0
  • nvidia jetson_tx1 r28.3
  • nvidia jetson_tx2 r28.3
  • siemens itc1500_firmware 3.1
  • siemens itc1500_pro_firmware 3.1
  • siemens itc1900_firmware 3.1
  • siemens itc1900_pro_firmware 3.1
  • siemens itc2200_firmware 3.1
  • siemens itc2200_pro_firmware 3.1
  • siemens simatic_et_200_sp_firmware 2.6
  • siemens simatic_field_pg_m4_firmware 18.01.09
  • siemens simatic_field_pg_m5_firmware 22.01.06
  • siemens simatic_ipc3000_smart_firmware 1.5
  • siemens simatic_ipc347e_firmware 1.5
  • siemens simatic_ipc427d_firmware 17.0x.14
  • siemens simatic_ipc427e_firmware 21.01.09
  • siemens simatic_ipc477d_firmware 17.0x.14
  • siemens simatic_ipc477e_firmware 21.01.09
  • siemens simatic_ipc477e_pro_firmware 21.01.09
  • siemens simatic_ipc547e_firmware r1.30.0
  • xen Debian 14, Debian 13, Debian 12 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u7
  • linux Debian 14, Debian 13, Debian 12 4.16.12-1
  • intel-microcode Debian 14, Debian 13, Debian 12 3.20180703.1
  • arm-trusted-firmware Debian 14 2.12.16+dfsg-1

debian advisories DEBIAN-CVE-2018-3639

  • qemu Ubuntu 14.04 LTS 2.0.0+dfsg-2ubuntu1.42
  • qemu Ubuntu 16.04 LTS 1:2.5+dfsg-5ubuntu10.29
  • qemu Ubuntu 18.04 LTS 1:2.11+dfsg-1ubuntu7.2
  • linux Ubuntu 14.04 LTS 3.13.0-149.199
  • linux Ubuntu 16.04 LTS 4.4.0-127.153
  • linux Ubuntu 18.04 LTS 4.15.0-22.24
  • libvirt Ubuntu 14.04 LTS 1.2.2-0ubuntu13.1.27
  • libvirt Ubuntu 16.04 LTS 1.3.1-1ubuntu10.24

ubuntu advisories UBUNTU-CVE-2018-3639

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • rhvm-setup-plugins rhev manager 4.3 4.3.0-1.el7ev
  • kernel-rt enterprise mrg 2 1:3.10.0-693.37.4.rt56.629.el6rt
  • kernel-rt-trace enterprise mrg 2 1:3.10.0-693.37.4.rt56.629.el6rt
  • kernel-rt-vanilla enterprise mrg 2 1:3.10.0-693.37.4.rt56.629.el6rt
  • kernel-rt-firmware enterprise mrg 2 1:3.10.0-693.37.4.rt56.629.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 1:3.10.0-693.37.4.rt56.629.el6rt
  • rhvm-setup-plugins rhev manager 4.2 4.2.10-1.el7ev
  • qemu-kvm-rhev openstack 13, openstack 12, openstack 10 +2 more 10:2.10.0-21.el7_5.4

red hat advisories RHSA-2018:3398RHSA-2018:3407RHSA-2018:3401RHSA-2018:3397RHSA-2018:3425RHSA-2019:0148

  • kernel-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.146.1
  • kernel-syms-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.146.1
  • kernel-source-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.146.1
  • kernel-syms SLES 12 SP2-BCL 4.4.121-92.208.1
  • kernel-source SLES 12 SP2-BCL 4.4.121-92.208.1
  • kernel-default SLES 12 SP2-BCL 4.4.121-92.208.1
  • kernel-syms SLES for SAP 15, SLES 15-LTSS, SLE High Performance Computing 15-LTSS +1 more 4.12.14-150.78.1
  • kernel-source SLES for SAP 15, SLES 15-LTSS, SLE High Performance Computing 15-LTSS +1 more 4.12.14-150.78.1

suse advisories SUSE-SU-2023:3349-1SUSE-SU-2023:3333-1SUSE-SU-2023:3324-1SUSE-SU-2021:3969-1SUSE-SU-2021:3007-1SUSE-SU-2020:2605-1

  • java-1_8_0-openjdk openSUSE Tumbleweed 1.8.0.302-2.2
  • libvirt openSUSE Tumbleweed 7.7.0-2.1
  • qemu openSUSE Tumbleweed 6.1.0-32.1
  • xen openSUSE Tumbleweed 4.15.1_01-1.2
  • kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.63.1
  • kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.63.1
  • kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.63.1
  • kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.63.1

opensuse advisories openSUSE-SU-2024:10876-1openSUSE-SU-2024:11008-1openSUSE-SU-2024:11287-1openSUSE-SU-2024:11520-1openSUSE-SU-2020:1325-1openSUSE-SU-2019:1438-1

  • xen Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 4.11.0-r0
  • xen Alpine 3.5 4.7.6-r0
  • xen Alpine 3.6 4.8.4-r0
  • xen Alpine 3.7 4.9.2-r3
  • xen Alpine 3.8 4.10.1-r3
  • openjdk8 Alpine 3.24, Alpine 3.23, Alpine 3.22 +17 more 8.181.13-r0

alpine advisories ALPINE-CVE-2018-3639

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

Is CVE-2018-3639 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2018-3639 updated cvss 5.6

hw: cpu: speculative store bypass

  • Red Hat Enterprise Linux 7 qemu-img-ma, qemu-kvm-ma, qemu-kvm-tools-ma, qemu-kvm-common-ma Red Hat Enterprise Virtualization 3 ovirt-engine, rhev-hypervisor-ng
    affected: no fix available
  • Red Hat OpenStack Platform 11 (Ocata) qemu-kvm-rhev
    affected: no fix planned “Will not fix”
  • Red Hat Virtualization 4 rhev-hypervisor-ng, rhevm-setup-plugins, ovirt-guest-agent-common, ovirt-guest-agent-gdm-plugin, ovirt-guest-agent-pam-module
    affected: no fix available
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-862.3.2.el7, perf 3.10.0-862.6.3.el7, libvirt 3.9.0-14.el7_5.5, libvirt 3.9.0-14.el7_5.6, kernel 3.10.0-862.3.2.el7, kernel 3.10.0-862.6.3.el7, +66 more Red Hat Enterprise Linux Client Optional (v. 7) libvirt-nss 3.9.0-14.el7_5.5, libvirt-nss 3.9.0-14.el7_5.6, libvirt-admin 3.9.0-14.el7_5.5, libvirt-admin 3.9.0-14.el7_5.6, libvirt-daemon-lxc 3.9.0-14.el7_5.5, libvirt-daemon-lxc 3.9.0-14.el7_5.6, +15 more Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-862.3.2.el7, perf 3.10.0-862.6.3.el7, libvirt 3.9.0-14.el7_5.5, libvirt 3.9.0-14.el7_5.6, kernel 3.10.0-862.3.2.el7, kernel 3.10.0-862.6.3.el7, +18 more
    fixed: vendor fix RHSA-2018:1648
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.3) perf 3.10.0-514.48.5.el7, perf 3.10.0-514.51.1.el7, perf 3.10.0-514.53.1.el7, libvirt 2.0.0-10.el7_3.12, libvirt 2.0.0-10.el7_3.13, kernel 3.10.0-514.48.5.el7, +19 more
    fixed: vendor fix RHSA-2018:1636
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) perf 3.10.0-693.25.7.el7, perf 3.10.0-693.33.1.el7, perf 3.10.0-693.37.4.el7, libvirt 3.2.0-14.el7_4.10, libvirt 3.2.0-14.el7_4.11, kernel 3.10.0-693.25.7.el7, +21 more
    fixed: vendor fix RHSA-2018:1635
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libvirt 3.9.0-14.el7_5.5, libvirt 3.9.0-14.el7_5.6, qemu-img 1.5.3-156.el7_5.2, qemu-img 1.5.3-156.el7_5.3, qemu-kvm 1.5.3-156.el7_5.2, qemu-kvm 1.5.3-156.el7_5.3, +65 more
    fixed: vendor fix RHSA-2018:1648
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3) libvirt 2.0.0-10.el7_3.12, libvirt 2.0.0-10.el7_3.13, qemu-img 1.5.3-126.el7_3.14, qemu-kvm 1.5.3-126.el7_3.14, libvirt-nss 2.0.0-10.el7_3.12, libvirt-nss 2.0.0-10.el7_3.13, +35 more
    fixed: vendor fix RHSA-2018:1636
show 26 more
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) libvirt 3.2.0-14.el7_4.10, libvirt 3.2.0-14.el7_4.11, qemu-img 1.5.3-141.el7_4.7, qemu-kvm 1.5.3-141.el7_4.7, libvirt-nss 3.2.0-14.el7_4.10, libvirt-nss 3.2.0-14.el7_4.11, +53 more
    fixed: vendor fix RHSA-2018:1635
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-754.el6, kernel 2.6.32-754.el6, perf 2.6.32-754.2.1.el6, perf 2.6.32-696.30.1.el6, kernel 2.6.32-754.2.1.el6, libvirt 0.10.2-62.el6_9.2, +26 more Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-754.el6, python-perf 2.6.32-754.2.1.el6, python-perf 2.6.32-696.30.1.el6, libvirt-lock-sanlock 0.10.2-62.el6_9.2, kernel-debuginfo-common-i686 2.6.32-754.el6, java-1.8.0-openjdk-src 1.8.0.171-8.b10.el6_9, +10 more
    fixed: vendor fix RHSA-2018:2164
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-115.el7a, kernel 4.14.0-115.el7a, perf 3.10.0-862.3.2.el7, perf 3.10.0-862.6.3.el7, perf 4.14.0-49.8.1.el7a, libvirt 3.9.0-14.el7_5.5, +81 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) libvirt 3.9.0-14.el7_5.5, libvirt 3.9.0-14.el7_5.6, libvirt-nss 3.9.0-14.el7_5.5, libvirt-nss 3.9.0-14.el7_5.6, libvirt-libs 3.9.0-14.el7_5.5, libvirt-libs 3.9.0-14.el7_5.6, +60 more
    fixed: vendor fix RHSA-2018:1648
  • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-862.3.2.rt56.808.el7, kernel-rt 3.10.0-862.6.3.rt56.811.el7, kernel-rt-kvm 3.10.0-862.3.2.rt56.808.el7, kernel-rt-kvm 3.10.0-862.6.3.rt56.811.el7, kernel-rt-trace 3.10.0-862.3.2.rt56.808.el7, kernel-rt-trace 3.10.0-862.6.3.rt56.811.el7, +6 more
    fixed: vendor fix RHSA-2018:1630
  • Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-754.el6, kernel 2.6.32-754.el6, perf 2.6.32-754.2.1.el6, perf 2.6.32-696.30.1.el6, kernel 2.6.32-754.2.1.el6, libvirt 0.10.2-62.el6_9.2, +26 more
    fixed: vendor fix RHSA-2018:2164
  • Red Hat Enterprise Linux HPC Node EUS (v. 6.7) perf 2.6.32-573.55.4.el6, perf 2.6.32-573.59.1.el6, perf 2.6.32-573.60.1.el6, libvirt 0.10.2-54.el6_7.8, libvirt 0.10.2-54.el6_7.9, kernel 2.6.32-573.55.4.el6, +26 more
    fixed: vendor fix RHSA-2018:1638
  • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-754.el6, python-perf 2.6.32-754.2.1.el6, python-perf 2.6.32-696.30.1.el6, libvirt-lock-sanlock 0.10.2-62.el6_9.2, java-1.8.0-openjdk-src 1.8.0.171-8.b10.el6_9, java-1.8.0-openjdk-demo 1.8.0.171-8.b10.el6_9, +7 more
    fixed: vendor fix RHSA-2018:2164
  • Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) python-perf 2.6.32-573.55.4.el6, python-perf 2.6.32-573.59.1.el6, python-perf 2.6.32-573.60.1.el6, libvirt-lock-sanlock 0.10.2-54.el6_7.8, libvirt-lock-sanlock 0.10.2-54.el6_7.9, kernel-debuginfo-common-x86_64 2.6.32-573.55.4.el6, +2 more
    fixed: vendor fix RHSA-2018:1638
  • Red Hat Enterprise Linux Long Life (v. 5.9 server) kernel 2.6.18-348.40.1.el5, kernel-PAE 2.6.18-348.40.1.el5, kernel-xen 2.6.18-348.40.1.el5, kernel-debuginfo-common 2.6.18-348.40.1.el5
    fixed: vendor fix RHSA-2018:2171
  • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-img-rhev 2.9.0-16.el7_4.17, qemu-kvm-rhev 2.9.0-16.el7_4.17, qemu-kvm-tools-rhev 2.9.0-16.el7_4.17, qemu-kvm-common-rhev 2.9.0-16.el7_4.17
    fixed: vendor fix RHSA-2018:1686
  • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7.4 EUS qemu-img-rhev 2.9.0-16.el7_4.18, qemu-kvm-rhev 2.9.0-16.el7_4.18, qemu-kvm-tools-rhev 2.9.0-16.el7_4.18, qemu-kvm-common-rhev 2.9.0-16.el7_4.18
    fixed: vendor fix RHSA-2019:0148
  • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-862.3.2.rt56.808.el7, kernel-rt 3.10.0-862.6.3.rt56.811.el7, kernel-rt-trace 3.10.0-862.3.2.rt56.808.el7, kernel-rt-trace 3.10.0-862.6.3.rt56.811.el7
    fixed: vendor fix RHSA-2018:1630
  • Red Hat Enterprise Linux Server (v. 5 ELS) kernel 2.6.18-433.el5, kernel-PAE 2.6.18-433.el5, kernel-xen 2.6.18-433.el5, kernel-kdump 2.6.18-433.el5, kernel-debuginfo-common 2.6.18-433.el5
    fixed: vendor fix RHSA-2018:2172
  • Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-754.el6, kernel 2.6.32-754.el6, perf 2.6.32-754.2.1.el6, perf 2.6.32-696.30.1.el6, kernel 2.6.32-754.2.1.el6, libvirt 0.10.2-62.el6_9.2, +38 more
    fixed: vendor fix RHSA-2018:2164
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-862.3.2.el7, perf 3.10.0-862.6.3.el7, libvirt 3.9.0-14.el7_5.5, libvirt 3.9.0-14.el7_5.6, kernel 3.10.0-862.3.2.el7, kernel 3.10.0-862.6.3.el7, +76 more
    fixed: vendor fix RHSA-2018:1648
  • Red Hat Enterprise Linux Server AUS (v. 6.4) perf 2.6.32-358.88.4.el6, perf 2.6.32-358.91.4.el6, kernel 2.6.32-358.88.4.el6, kernel 2.6.32-358.91.4.el6, libvirt 0.10.2-18.el6_4.17, libvirt 0.10.2-18.el6_4.18, +16 more
    fixed: vendor fix RHSA-2018:1641
  • Red Hat Enterprise Linux Server AUS (v. 6.5) perf 2.6.32-431.89.4.el6, kernel 2.6.32-431.89.4.el6, libvirt 0.10.2-29.el6_5.16, libvirt 0.10.2-29.el6_5.17, qemu-img 0.12.1.2-2.415.el6_5.18, qemu-img 0.12.1.2-2.415.el6_5.19, +13 more
    fixed: vendor fix RHSA-2018:1640
  • Red Hat Enterprise Linux Server AUS (v. 6.6) perf 2.6.32-504.69.3.el6, perf 2.6.32-504.72.1.el6, libvirt 0.10.2-46.el6_6.8, libvirt 0.10.2-46.el6_6.9, kernel 2.6.32-504.69.3.el6, kernel 2.6.32-504.72.1.el6, +18 more
    fixed: vendor fix RHSA-2018:1639
  • Red Hat Enterprise Linux Server AUS (v. 7.2) perf 3.10.0-327.66.5.el7, perf 3.10.0-327.71.1.el7, libvirt 1.2.17-13.el7_2.8, libvirt 1.2.17-13.el7_2.9, kernel 3.10.0-327.66.5.el7, kernel 3.10.0-327.71.1.el7, +46 more Red Hat Enterprise Linux Server E4S (v. 7.2) perf 3.10.0-327.66.5.el7, perf 3.10.0-327.71.1.el7, libvirt 1.2.17-13.el7_2.8, libvirt 1.2.17-13.el7_2.9, kernel 3.10.0-327.66.5.el7, kernel 3.10.0-327.71.1.el7, +46 more
    fixed: vendor fix RHSA-2018:1637
  • Red Hat Enterprise Linux Server EUS (v. 6.7) perf 2.6.32-573.55.4.el6, perf 2.6.32-573.59.1.el6, perf 2.6.32-573.60.1.el6, libvirt 0.10.2-54.el6_7.8, libvirt 0.10.2-54.el6_7.9, kernel 2.6.32-573.55.4.el6, +38 more
    fixed: vendor fix RHSA-2018:1638
  • Red Hat Enterprise Linux Server EUS (v. 7.3) perf 3.10.0-514.48.5.el7, perf 3.10.0-514.51.1.el7, perf 3.10.0-514.53.1.el7, libvirt 2.0.0-10.el7_3.12, libvirt 2.0.0-10.el7_3.13, kernel 3.10.0-514.48.5.el7, +62 more
    fixed: vendor fix RHSA-2018:1636
  • Red Hat Enterprise Linux Server EUS (v. 7.4) perf 3.10.0-693.25.7.el7, perf 3.10.0-693.33.1.el7, perf 3.10.0-693.37.4.el7, libvirt 3.2.0-14.el7_4.10, libvirt 3.2.0-14.el7_4.11, kernel 3.10.0-693.25.7.el7, +80 more
    fixed: vendor fix RHSA-2018:1635
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-754.el6, python-perf 2.6.32-754.2.1.el6, python-perf 2.6.32-696.30.1.el6, libvirt-lock-sanlock 0.10.2-62.el6_9.2, kernel-debuginfo-common-i686 2.6.32-754.el6, java-1.8.0-openjdk-src 1.8.0.171-8.b10.el6_9, +16 more
    fixed: vendor fix RHSA-2018:2164
  • Red Hat Enterprise Linux Server Optional (v. 7) libvirt-nss 3.9.0-14.el7_5.5, libvirt-nss 3.9.0-14.el7_5.6, libvirt-admin 3.9.0-14.el7_5.5, libvirt-admin 3.9.0-14.el7_5.6, libvirt-daemon-lxc 3.9.0-14.el7_5.5, libvirt-daemon-lxc 3.9.0-14.el7_5.6, +19 more
    fixed: vendor fix RHSA-2018:1648
  • Red Hat Enterprise Linux Server Optional AUS (v. 6.4) kernel 2.6.32-358.88.4.el6, kernel 2.6.32-358.91.4.el6, libvirt 0.10.2-18.el6_4.17, libvirt 0.10.2-18.el6_4.18, python-perf 2.6.32-358.88.4.el6, python-perf 2.6.32-358.91.4.el6, +6 more
    fixed: vendor fix RHSA-2018:1641
  • Red Hat Enterprise Linux Server Optional AUS (v. 6.5) kernel 2.6.32-431.89.4.el6, libvirt 0.10.2-29.el6_5.16, libvirt 0.10.2-29.el6_5.17, python-perf 2.6.32-431.89.4.el6, libvirt-lock-sanlock 0.10.2-29.el6_5.16, libvirt-lock-sanlock 0.10.2-29.el6_5.17, +1 more
    fixed: vendor fix RHSA-2018:1640

28 more fixed, 1 more not affected in the full advisory

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

Timeline

  1. First public exploit (EDB-44695)
  2. Published

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5mo ago

Exploit prediction

60.42% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-44695 AMD / ARM / Intel - Speculative Execution Variant 4 Speculative Store Bypass dos, 2018-05-22
  • bugs.chromium.org https://bugs.chromium.org/p/project-zero/issues/detail?id=1528 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Intel Corporation Multiple

Classification

Weakness

References

Sources

Fencer Intel 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.