critical 9.8

CVE-2019-17006 json

In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length checks.

published 2020-10-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7480

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.5%; EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits: 0; none known

In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length checks. In cases where the application calling the library did not perform a sanity check on the inputs it could result in a crash due to a buffer overflow.

Patch / fix

fixed in 1 distros 6 links 1

Mozilla NSS 3.46

debian ubuntu red hat suse opensuse rocky linux

nss Debian 14, Debian 13, Debian 12 2:3.47-1

debian advisories DEBIAN-CVE-2019-17006

nss Ubuntu 16.04 LTS 2:3.28.4-0ubuntu0.16.04.10
nss Ubuntu 18.04 LTS 2:3.35-2ubuntu2.7
nss Ubuntu Pro 14.04 LTS 2:3.28.4-0ubuntu0.14.04.5+esm4

ubuntu advisories UBUNTU-CVE-2019-17006

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

nss RHEL 7 3.53.1-3.el7_9
nspr RHEL 7 4.25.0-2.el7_9
nss-util RHEL 7 3.53.1-1.el7_9
nss-tools RHEL 7 3.53.1-3.el7_9
nss-softokn RHEL 7 3.53.1-6.el7_9
nss-sysinit RHEL 7 3.53.1-3.el7_9
nss-softokn-freebl RHEL 7 3.53.1-6.el7_9
nss RHEL 8 3.53.1-11.el8_2

red hat advisories RHSA-2021:1026 RHSA-2021:0876 RHSA-2021:0758 RHSA-2020:4076 RHSA-2020:3280

mozilla-nss SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +15 more 3.53.1-58.48.1
mozilla-nspr SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +15 more 4.25-19.15.1
mozilla-nss SLES for SAP 15, SLES 15-LTSS, SLE Module for Server Applications 15 SP2 +5 more 3.53-3.40.1
mozilla-nspr SLES for SAP 15, SLES 15-LTSS, SLE Module for Basesystem 15 SP2 +3 more 4.25-3.12.1
mozilla-nss SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 3.47.1-58.34.1
mozilla-nspr SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 4.23-19.12.1
mozilla-nss SLE Module for Server Applications 15 SP1, SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 3.47.1-3.22.1
mozilla-nspr SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 4.23-3.9.1

suse advisories SUSE-SU-2020:14418-1 SUSE-SU-2020:1839-1 SUSE-SU-2020:1677-1 SUSE-SU-2020:0088-1 SUSE-SU-2019:3395-1

mozilla-nss openSUSE Tumbleweed 3.69.1-1.2
mozilla-nss openSUSE Leap 15.1 3.53-lp151.2.23.1
mozilla-nspr openSUSE Leap 15.1 4.25-lp151.2.9.1
mozilla-nss openSUSE Leap 15.1 3.47.1-lp151.2.9.1
mozilla-nspr openSUSE Leap 15.1 4.23-lp151.2.6.1

opensuse advisories openSUSE-SU-2024:11058-1 openSUSE-SU-2020:0854-1 openSUSE-SU-2020:0008-1

nspr Rocky Linux 8 4.25.0-2.el8_2

rocky linux advisories RLSA-2020:3280

bugzilla.mozilla.org/show_bug.cgi?id=1539788 advisory

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-2019-17006 updated 2026-11-05 cvss 8.1

nss: Check length of inputs for cryptographic primitives

Red Hat Enterprise Linux 6 nss, nss-tools, nss-sysinit
affected: no fix planned “Out of support scope”
Red Hat OpenShift Do 1 openshiftdo/odo-init-image-rhel7 1.1.3-2
fixed: vendor fix RHSA-2021:0949
Red Hat Enterprise Linux AppStream (v. 8) nspr 4.25.0-2.el8_2, nss 3.53.1-11.el8_2, nss-util 3.53.1-11.el8_2, nss-tools 3.53.1-11.el8_2, nss-softokn 3.53.1-11.el8_2, nss-sysinit 3.53.1-11.el8_2, +1 more
fixed: vendor fix RHSA-2020:3280
Red Hat Enterprise Linux Client (v. 7) nss 3.53.1-3.el7_9, nspr 4.25.0-2.el7_9, nss-util 3.53.1-1.el7_9, nss-tools 3.53.1-3.el7_9, nss-softokn 3.53.1-6.el7_9, nss-sysinit 3.53.1-3.el7_9, +1 more Red Hat Enterprise Linux Client Optional (v. 7) nss-devel 3.53.1-3.el7_9, nspr-devel 4.25.0-2.el7_9, nss-debuginfo 3.53.1-3.el7_9, nspr-debuginfo 4.25.0-2.el7_9, nss-util-devel 3.53.1-1.el7_9, nss-pkcs11-devel 3.53.1-3.el7_9, +4 more
fixed: vendor fix RHSA-2020:4076
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) nss 3.36.0-9.el7_6, nss-tools 3.36.0-9.el7_6, nss-softokn 3.36.0-7.el7_6, nss-sysinit 3.36.0-9.el7_6, nss-softokn-freebl 3.36.0-7.el7_6
fixed: vendor fix RHSA-2021:0876
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) nss-softokn 3.44.0-9.el7_7, nss-softokn-freebl 3.44.0-9.el7_7
fixed: vendor fix RHSA-2021:1026
Red Hat Enterprise Linux ComputeNode Optional (v. 7) nss-devel 3.53.1-3.el7_9, nspr-devel 4.25.0-2.el7_9, nss-debuginfo 3.53.1-3.el7_9, nspr-debuginfo 4.25.0-2.el7_9, nss-util-devel 3.53.1-1.el7_9, nss-pkcs11-devel 3.53.1-3.el7_9, +4 more
fixed: vendor fix RHSA-2020:4076
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) nss-devel 3.36.0-9.el7_6, nss-debuginfo 3.36.0-9.el7_6, nss-pkcs11-devel 3.36.0-9.el7_6, nss-softokn-devel 3.36.0-7.el7_6, nss-softokn-debuginfo 3.36.0-7.el7_6, nss-softokn-freebl-devel 3.36.0-7.el7_6
fixed: vendor fix RHSA-2021:0876

show 10 more

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) nss-softokn-devel 3.44.0-9.el7_7, nss-softokn-debuginfo 3.44.0-9.el7_7, nss-softokn-freebl-devel 3.44.0-9.el7_7
fixed: vendor fix RHSA-2021:1026
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) nss 3.36.0-9.el7_6, nss-tools 3.36.0-9.el7_6, nss-softokn 3.36.0-7.el7_6, nss-sysinit 3.36.0-9.el7_6, nss-softokn-freebl 3.36.0-7.el7_6 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) nss-debuginfo 3.36.0-9.el7_6, nss-pkcs11-devel 3.36.0-9.el7_6
fixed: vendor fix RHSA-2021:0876
Red Hat Enterprise Linux Server (v. 7) nss 3.53.1-3.el7_9, nspr 4.25.0-2.el7_9, nss-util 3.53.1-1.el7_9, nss-tools 3.53.1-3.el7_9, nss-softokn 3.53.1-6.el7_9, nss-sysinit 3.53.1-3.el7_9, +1 more
fixed: vendor fix RHSA-2020:4076
Red Hat Enterprise Linux Server AUS (v. 7.4) nss-softokn 3.28.3-10.el7_4, nss-softokn-freebl 3.28.3-10.el7_4 Red Hat Enterprise Linux Server E4S (v. 7.4) nss-softokn 3.28.3-10.el7_4, nss-softokn-freebl 3.28.3-10.el7_4
fixed: vendor fix RHSA-2021:0758
Red Hat Enterprise Linux Server EUS (v. 7.6) nss 3.36.0-9.el7_6, nss-tools 3.36.0-9.el7_6, nss-softokn 3.36.0-7.el7_6, nss-sysinit 3.36.0-9.el7_6, nss-softokn-freebl 3.36.0-7.el7_6
fixed: vendor fix RHSA-2021:0876
Red Hat Enterprise Linux Server EUS (v. 7.7) nss-softokn 3.44.0-9.el7_7, nss-softokn-freebl 3.44.0-9.el7_7
fixed: vendor fix RHSA-2021:1026
Red Hat Enterprise Linux Server Optional (v. 7) nss-debuginfo 3.53.1-3.el7_9, nss-pkcs11-devel 3.53.1-3.el7_9
fixed: vendor fix RHSA-2020:4076
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) nss-debuginfo 3.36.0-9.el7_6, nss-pkcs11-devel 3.36.0-9.el7_6
fixed: vendor fix RHSA-2021:0876
Red Hat Enterprise Linux Server TUS (v. 7.4) nss-softokn 3.28.3-10.el7_4, nss-softokn-freebl 3.28.3-10.el7_4
fixed: vendor fix RHSA-2021:0758
Red Hat Enterprise Linux Workstation (v. 7) nss 3.53.1-3.el7_9, nspr 4.25.0-2.el7_9, nss-util 3.53.1-1.el7_9, nss-tools 3.53.1-3.el7_9, nss-softokn 3.53.1-6.el7_9, nss-sysinit 3.53.1-3.el7_9, +1 more Red Hat Enterprise Linux Workstation Optional (v. 7) nss-debuginfo 3.53.1-3.el7_9, nss-pkcs11-devel 3.53.1-3.el7_9
fixed: vendor fix RHSA-2020:4076

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

cisa ICSA-21-040-04 updated 2021-02-09 cvss 9.8

Siemens RUGGEDCOM ROX II

Siemens RUGGEDCOM ROX MX5000 <V2.14.0 Siemens RUGGEDCOM ROX RX1400 <V2.14.0 Siemens RUGGEDCOM ROX RX1500 <V2.14.0 Siemens RUGGEDCOM ROX RX1501 <V2.14.0 Siemens RUGGEDCOM ROX RX1510 <V2.14.0 Siemens RUGGEDCOM ROX RX1511 <V2.14.0

+2 more productsfewer

Siemens RUGGEDCOM ROX RX1512 <V2.14.0 Siemens RUGGEDCOM ROX RX5000 <V2.14.0

affected: fixed in V2.14.0, mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

3.51% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1539788 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

Mozilla NSS

Classification

Weakness

CWE-20 Improper Input Validation
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

bugzilla.mozilla.org /show_bug.cgi?id=1539788
exploit, issue-tracking, patch, vendor-advisory
developer.mozilla.org /en-US/docs/Mozilla/Projects/NSS/NSS_3.46_release_notes
release-notes, vendor-advisory
security.netapp.com /advisory/ntap-20210129-0001/
third-party-advisory
cert-portal.siemens.com /productcert/pdf/ssa-379803.pdf
third-party-advisory
us-cert.cisa.gov /ics/advisories/icsa-21-040-04
third-party-advisory, us-government-resource

Sources

CVE List CVE-2019-17006
NVD CVE-2019-17006

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.

Summary