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Fencer Vulns
medium 5.9

CVE-2016-9574 json

nss before version 3.30 is vulnerable to a remote denial of service during the session handshake when using SessionTicket extension and ECD…

published 2018-07-19 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-10380

cvss
5.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

nss before version 3.30 is vulnerable to a remote denial of service during the session handshake when using SessionTicket extension and ECDHE-ECDSA.

Patch / fix

  • mozilla network_security_services 3.30
  • nss Debian 14, Debian 13, Debian 12 2:3.25-1

debian advisories DEBIAN-CVE-2016-9574

  • java-1_8_0-openjdk SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +4 more 1.8.0.121-23.4
  • mozilla-nss SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for SAP 12 +8 more 3.29.5-57.1
  • mozilla-nspr SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for SAP 12 +8 more 4.13.1-18.1
  • MozillaFirefox SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for SAP 12 +8 more 45.9.0esr-105.1
  • mozilla-nspr SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +6 more 4.13.1-32.1
  • mozilla-nss SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +6 more 3.29.5-46.1
  • MozillaFirefox SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +6 more 45.9.0esr-71.2

suse advisories SUSE-SU-2017:1248-1SUSE-SU-2017:1175-1

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-2016-9574 updated cvss 5.9

nss: Remote DoS during session handshake when using SessionTicket extention and ECDHE-ECDSA

  • Red Hat Enterprise Linux 5 nss Red Hat Enterprise Linux 6 nss, nss-tools, nss-sysinit Red Hat Enterprise Linux 7 nss, nss-tools, nss-sysinit
    affected: no fix planned “Will not fix”

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

1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1320695 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9574 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

  • [UNKNOWN] nss

Classification

Weakness

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.