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CVE-2016-1950

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-03-13 · updated 2026-06-17
• Weakness: CWE-119

Description

Heap-based buffer overflow in Mozilla Network Security Services (NSS) before 3.19.2.3 and 3.20.x and 3.21.x before 3.21.1, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to execute arbitrary code via crafted ASN.1 data in an X.509 certificate.

Affected products

• Apple Iphone Os: through 9.2.1
• macOS: through 10.11.3
• Apple tvOS: through 9.1
• Apple watchOS: through 2.1
• Mozilla Firefox: through 44.0.2; 38.0, 38.0.1, 38.0.5, 38.1.0, 38.1.1, 38.2.0 (+7)
• Mozilla Network Security Services: 3.19.2, 3.20, 3.20.1, 3.21
• Opensuse: 13.1
• Oracle Corporation GlassFish Server: 2.1.1
• Oracle Iplanet Web Proxy Server: 4.0
• Oracle Corporation iPlanet Web Server: 7.0
• Oracle Corporation Oracle Linux: 5.0, 6, 7
• Oracle Vm Server: 3.2

References

• http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
• http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
• http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
• http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html
• http://rhn.redhat.com/errata/RHSA-2016-0495.html

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