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CVE-2016-9574

nss before version 3.30 is vulnerable to a remote denial of service during the session handshake...

5.9 MediumFix available

CVE-2016-9574 is a medium vulnerability (CVSS 5.9) in [unknown] Nss, published May 4, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.40%, the 72nd percentile. Fixed in nss 2:3.25-1.

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.40%Up 0.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

CVE List Score used 5.9

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

Record
CVE-2016-9574
CVSS 3.0
5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-325
Updated
2026-11-02
EUVDEUVD-2016-10380 5.9

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

Record
EUVD-2016-10380
CVSS 3.0
5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-jq9g-rw6w-4vhv 5.9

nss before version 3.30 is vulnerable to a remote denial of service during the session handshake...

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

Record
GHSA-jq9g-rw6w-4vhv
CVSS 3.0
5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-384
Updated
2026-11-02
NVD 5.9

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

Record
CVE-2016-9574
CVSS 3.0
5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-325, CWE-384
Updated
2026-11-02
OSVBELL-CVE-2016-9574 5.9

CVE-2016-9574 does not affect BellSoft software

Record
BELL-CVE-2016-9574
CVSS 3.0
5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 5.9

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

Record
CVE-2016-9574
CVSS 3.0
5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVDEBIAN-CVE-2016-9574 5.9

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

Record
DEBIAN-CVE-2016-9574
CVSS 3.0
5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-9574 5.9

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

Record
UBUNTU-CVE-2016-9574
CVSS 3.0
5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVSUSE-SU-2017:1175-1 No score

Security update for MozillaFirefox, mozilla-nss, mozilla-nspr

Mozilla Firefox was updated to the Firefox ESR release 45.9.

Mozilla NSS was updated to support TLS 1.3 (close to release draft) and various new ciphers, PRFs, Diffie Hellman key agreement and support for more hashes.

Security issues fixed in Firefox (bsc#1035082)

  • MFSA 2017-11/CVE-2017-5469: Potential Buffer overflow in flex-generated code
  • MFSA 2017-11/CVE-2017-5429: Memory safety bugs fixed in Firefox 53, Firefox ESR 45.9, and Firefox ESR 52.1
  • MFSA 2017-11/CVE-2017-5439: Use-after-free in nsTArray Length() during XSLT processing
  • MFSA 2017-11/CVE-2017-5438: Use-after-free in nsAutoPtr during XSLT processing
  • MFSA 2017-11/CVE-2017-5437: Vulnerabilities in Libevent library
  • MFSA 2017-11/CVE-2017-5436: Out-of-bounds write with malicious font in Graphite 2
  • MFSA 2017-11/CVE-2017-5435: Use-after-free during transaction processing in the editor
  • MFSA 2017-11/CVE-2017-5434: Use-after-free during focus handling
  • MFSA 2017-11/CVE-2017-5433: Use-after-free in SMIL animation functions
  • MFSA 2017-11/CVE-2017-5432: Use-after-free in text input selection
  • MFSA 2017-11/CVE-2017-5464: Memory corruption with accessibility and DOM manipulation
  • MFSA 2017-11/CVE-2017-5465: Out-of-bounds read in ConvolvePixel
  • MFSA 2017-11/CVE-2017-5460: Use-after-free in frame selection
  • MFSA 2017-11/CVE-2017-5448: Out-of-bounds write in ClearKeyDecryptor
  • MFSA 2017-11/CVE-2017-5446: Out-of-bounds read when HTTP/2 DATA frames are sent with incorrect data
  • MFSA 2017-11/CVE-2017-5447: Out-of-bounds read during glyph processing
  • MFSA 2017-11/CVE-2017-5444: Buffer overflow while parsing application/http-index-format content
  • MFSA 2017-11/CVE-2017-5445: Uninitialized values used while parsing application/http-index-format content
  • MFSA 2017-11/CVE-2017-5442: Use-after-free during style changes
  • MFSA 2017-11/CVE-2017-5443: Out-of-bounds write during BinHex decoding
  • MFSA 2017-11/CVE-2017-5440: Use-after-free in txExecutionState destructor during XSLT processing
  • MFSA 2017-11/CVE-2017-5441: Use-after-free with selection during scroll events
  • MFSA 2017-11/CVE-2017-5459: Buffer overflow in WebGL

Mozilla NSS was updated to 3.29.5, bringing new features and fixing bugs:

  • Update to NSS 3.29.5:

    • MFSA 2017-11/CVE-2017-5461: Rare crashes in the base 64 decoder and encoder were fixed.
    • MFSA 2017-11/CVE-2017-5462: A carry over bug in the RNG was fixed.
    • CVE-2016-9574: Remote DoS during session handshake when using SessionTicket extention and ECDHE-ECDSA (bsc#1015499).
    • requires NSPR >= 4.13.1

  • Update to NSS 3.29.3

    • enables TLS 1.3 by default

  • Fixed a bug in hash computation (and build with GCC 7 which complains about shifts of boolean values). (bsc#1030071, bmo#1348767)

  • Update to NSS 3.28.3

    This is a patch release to fix binary compatibility issues.

  • Update to NSS 3.28.1

    This is a patch release to update the list of root CA certificates.

    • The following CA certificates were Removed

      CN = Buypass Class 2 CA 1 CN = Root CA Generalitat Valenciana OU = RSA Security 2048 V3

    • The following CA certificates were Added

      OU = AC RAIZ FNMT-RCM CN = Amazon Root CA 1 CN = Amazon Root CA 2 CN = Amazon Root CA 3 CN = Amazon Root CA 4 CN = LuxTrust Global Root 2 CN = Symantec Class 1 Public Primary Certification Authority - G4 CN = Symantec Class 1 Public Primary Certification Authority - G6 CN = Symantec Class 2 Public Primary Certification Authority - G4 CN = Symantec Class 2 Public Primary Certification Authority - G6

    • The version number of the updated root CA list has been set to 2.11

  • Update to NSS 3.28

    New functionality:

    • NSS includes support for TLS 1.3 draft -18. This includes a number of improvements to TLS 1.3:

      • The signed certificate timestamp, used in certificate transparency, is supported in TLS 1.3.
      • Key exporters for TLS 1.3 are supported. This includes the early key exporter, which can be used if 0-RTT is…
Record
SUSE-SU-2017:1175-1
Updated
2026-11-02
OSVSUSE-SU-2017:1248-1 No score

Security update for MozillaFirefox, mozilla-nss, mozilla-nspr, java-1_8_0-openjdk

Mozilla Firefox was updated to the Firefox ESR release 45.9.

Mozilla NSS was updated to support TLS 1.3 (close to release draft) and various new ciphers, PRFs, Diffie Hellman key agreement and support for more hashes.

Security issues fixed in Firefox (bsc#1035082)

  • MFSA 2017-11/CVE-2017-5469: Potential Buffer overflow in flex-generated code
  • MFSA 2017-11/CVE-2017-5429: Memory safety bugs fixed in Firefox 53, Firefox ESR 45.9, and Firefox ESR 52.1
  • MFSA 2017-11/CVE-2017-5439: Use-after-free in nsTArray Length() during XSLT processing
  • MFSA 2017-11/CVE-2017-5438: Use-after-free in nsAutoPtr during XSLT processing
  • MFSA 2017-11/CVE-2017-5437: Vulnerabilities in Libevent library
  • MFSA 2017-11/CVE-2017-5436: Out-of-bounds write with malicious font in Graphite 2
  • MFSA 2017-11/CVE-2017-5435: Use-after-free during transaction processing in the editor
  • MFSA 2017-11/CVE-2017-5434: Use-after-free during focus handling
  • MFSA 2017-11/CVE-2017-5433: Use-after-free in SMIL animation functions
  • MFSA 2017-11/CVE-2017-5432: Use-after-free in text input selection
  • MFSA 2017-11/CVE-2017-5464: Memory corruption with accessibility and DOM manipulation
  • MFSA 2017-11/CVE-2017-5465: Out-of-bounds read in ConvolvePixel
  • MFSA 2017-11/CVE-2017-5460: Use-after-free in frame selection
  • MFSA 2017-11/CVE-2017-5448: Out-of-bounds write in ClearKeyDecryptor
  • MFSA 2017-11/CVE-2017-5446: Out-of-bounds read when HTTP/2 DATA frames are sent with incorrect data
  • MFSA 2017-11/CVE-2017-5447: Out-of-bounds read during glyph processing
  • MFSA 2017-11/CVE-2017-5444: Buffer overflow while parsing application/http-index-format content
  • MFSA 2017-11/CVE-2017-5445: Uninitialized values used while parsing application/http-index-format content
  • MFSA 2017-11/CVE-2017-5442: Use-after-free during style changes
  • MFSA 2017-11/CVE-2017-5443: Out-of-bounds write during BinHex decoding
  • MFSA 2017-11/CVE-2017-5440: Use-after-free in txExecutionState destructor during XSLT processing
  • MFSA 2017-11/CVE-2017-5441: Use-after-free with selection during scroll events
  • MFSA 2017-11/CVE-2017-5459: Buffer overflow in WebGL

Mozilla NSS was updated to 3.29.5, bringing new features and fixing bugs:

  • Update to NSS 3.29.5:

    • MFSA 2017-11/CVE-2017-5461: Rare crashes in the base 64 decoder and encoder were fixed.
    • MFSA 2017-11/CVE-2017-5462: A carry over bug in the RNG was fixed.
    • CVE-2016-9574: Remote DoS during session handshake when using SessionTicket extention and ECDHE-ECDSA (bsc#1015499).
    • requires NSPR >= 4.13.1

  • Update to NSS 3.29.3

    • enables TLS 1.3 by default

  • Fixed a bug in hash computation (and build with GCC 7 which complains about shifts of boolean values). (bsc#1030071, bmo#1348767)

  • Update to NSS 3.28.3

    This is a patch release to fix binary compatibility issues.

  • Update to NSS 3.28.1

    This is a patch release to update the list of root CA certificates.

    • The following CA certificates were Removed

      CN = Buypass Class 2 CA 1 CN = Root CA Generalitat Valenciana OU = RSA Security 2048 V3

    • The following CA certificates were Added

      OU = AC RAIZ FNMT-RCM CN = Amazon Root CA 1 CN = Amazon Root CA 2 CN = Amazon Root CA 3 CN = Amazon Root CA 4 CN = LuxTrust Global Root 2 CN = Symantec Class 1 Public Primary Certification Authority - G4 CN = Symantec Class 1 Public Primary Certification Authority - G6 CN = Symantec Class 2 Public Primary Certification Authority - G4 CN = Symantec Class 2 Public Primary Certification Authority - G6

    • The version number of the updated root CA list has been set to 2.11

  • Update to NSS 3.28

    New functionality:

    • NSS includes support for TLS 1.3 draft -18. This includes a number of improvements to TLS 1.3:

      • The signed certificate timestamp, used in certificate transparency, is supported in TLS 1.3.
      • Key exporters for TLS 1.3 are supported. This includes the early key exporter, which can be used if 0-RTT is…
Record
SUSE-SU-2017:1248-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nss
Debian:12
 before 2:3.25-1
2:3.25-1
nss
Debian:13
 before 2:3.25-1
2:3.25-1
nss
Debian:14
 before 2:3.25-1
2:3.25-1
MozillaFirefox
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 45.9.0esr-71.2
45.9.0esr-71.2
mozilla-nspr
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:OpenStack Cloud 5
 before 45.9.0esr-71.2
45.9.0esr-71.2
mozilla-nspr
SUSE:OpenStack Cloud 5
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:OpenStack Cloud 5
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:Manager 2.1
 before 45.9.0esr-71.2
45.9.0esr-71.2
Show 60 moreShow less
Affected packages
PackageAffectedFixed
mozilla-nspr
SUSE:Manager 2.1
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:Manager 2.1
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:Manager Proxy 2.1
 before 45.9.0esr-71.2
45.9.0esr-71.2
mozilla-nspr
SUSE:Manager Proxy 2.1
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:Manager Proxy 2.1
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:Linux Enterprise Point of Sale 11 SP3
 before 45.9.0esr-71.2
45.9.0esr-71.2
mozilla-nspr
SUSE:Linux Enterprise Point of Sale 11 SP3
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:Linux Enterprise Point of Sale 11 SP3
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:Linux Enterprise Server 11 SP3-LTSS
 before 45.9.0esr-71.2
45.9.0esr-71.2
mozilla-nspr
SUSE:Linux Enterprise Server 11 SP3-LTSS
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:Linux Enterprise Server 11 SP3-LTSS
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:Linux Enterprise Server 11 SP3-TERADATA
 before 45.9.0esr-71.2
45.9.0esr-71.2
mozilla-nspr
SUSE:Linux Enterprise Server 11 SP3-TERADATA
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:Linux Enterprise Server 11 SP3-TERADATA
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:Linux Enterprise Server 11 SP4
 before 45.9.0esr-71.2
45.9.0esr-71.2
mozilla-nspr
SUSE:Linux Enterprise Server 11 SP4
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:Linux Enterprise Server 11 SP4
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 45.9.0esr-71.2
45.9.0esr-71.2
mozilla-nspr
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 4.13.1-32.1
4.13.1-32.1
mozilla-nss
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 3.29.5-46.1
3.29.5-46.1
MozillaFirefox
SUSE:Linux Enterprise Desktop 12 SP1
 before 45.9.0esr-105.1
45.9.0esr-105.1
java-1_8_0-openjdk
SUSE:Linux Enterprise Desktop 12 SP1
 before 1.8.0.121-23.4
1.8.0.121-23.4
mozilla-nspr
SUSE:Linux Enterprise Desktop 12 SP1
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Desktop 12 SP1
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Desktop 12 SP2
 before 45.9.0esr-105.1
45.9.0esr-105.1
java-1_8_0-openjdk
SUSE:Linux Enterprise Desktop 12 SP2
 before 1.8.0.121-23.4
1.8.0.121-23.4
mozilla-nspr
SUSE:Linux Enterprise Desktop 12 SP2
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Desktop 12 SP2
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2
 before 45.9.0esr-105.1
45.9.0esr-105.1
java-1_8_0-openjdk
SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2
 before 1.8.0.121-23.4
1.8.0.121-23.4
mozilla-nspr
SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12
 before 45.9.0esr-105.1
45.9.0esr-105.1
mozilla-nspr
SUSE:Linux Enterprise Server for SAP Applications 12
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Server for SAP Applications 12
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Software Development Kit 12 SP1
 before 45.9.0esr-105.1
45.9.0esr-105.1
mozilla-nspr
SUSE:Linux Enterprise Software Development Kit 12 SP1
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Software Development Kit 12 SP1
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Software Development Kit 12 SP2
 before 45.9.0esr-105.1
45.9.0esr-105.1
mozilla-nspr
SUSE:Linux Enterprise Software Development Kit 12 SP2
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Software Development Kit 12 SP2
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Server 12-LTSS
 before 45.9.0esr-105.1
45.9.0esr-105.1
mozilla-nspr
SUSE:Linux Enterprise Server 12-LTSS
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Server 12-LTSS
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP1
 before 45.9.0esr-105.1
45.9.0esr-105.1
java-1_8_0-openjdk
SUSE:Linux Enterprise Server 12 SP1
 before 1.8.0.121-23.4
1.8.0.121-23.4
mozilla-nspr
SUSE:Linux Enterprise Server 12 SP1
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Server 12 SP1
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 45.9.0esr-105.1
45.9.0esr-105.1
java-1_8_0-openjdk
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 1.8.0.121-23.4
1.8.0.121-23.4
mozilla-nspr
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Server 12 SP2
 before 45.9.0esr-105.1
45.9.0esr-105.1
java-1_8_0-openjdk
SUSE:Linux Enterprise Server 12 SP2
 before 1.8.0.121-23.4
1.8.0.121-23.4
mozilla-nspr
SUSE:Linux Enterprise Server 12 SP2
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Server 12 SP2
 before 3.29.5-57.1
3.29.5-57.1
MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 45.9.0esr-105.1
45.9.0esr-105.1
java-1_8_0-openjdk
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 1.8.0.121-23.4
1.8.0.121-23.4
mozilla-nspr
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 4.13.1-18.1
4.13.1-18.1
mozilla-nss
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 3.29.5-57.1
3.29.5-57.1

History

History
WhenChangedSources
2026-11-03affected
2026-11-03aliases, productsEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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