CVE-2016-1950
UnknownEPSS 4.19%
Last modified
CVE-2016-1950 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.19% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Network Security Services | 3.19.2 |
| Mozilla | Network Security Services | 3.20 |
| Mozilla | Network Security Services | 3.20.1 |
| Mozilla | Network Security Services | 3.21 |
| Mozilla | Firefox | <= 44.0.2 |
| Mozilla | Firefox | 38.0 |
| Mozilla | Firefox | 38.0.1 |
| Mozilla | Firefox | 38.0.5 |
| Mozilla | Firefox | 38.1.0 |
| Mozilla | Firefox | 38.1.1 |
| Mozilla | Firefox | 38.2.0 |
| Mozilla | Firefox | 38.2.1 |
| Mozilla | Firefox | 38.3.0 |
| Mozilla | Firefox | 38.4.0 |
| Mozilla | Firefox | 38.5.0 |
| Mozilla | Firefox | 38.5.1 |
| Mozilla | Firefox | 38.6.0 |
| Mozilla | Firefox | 38.6.1 |
| Oracle | Linux | 5.0 |
| Oracle | Linux | 6 |
| Oracle | Linux | 7 |
| Oracle | Vm Server | 3.2 |
| Apple | Iphone Os | <= 9.2.1 |
| Apple | Mac Os X | <= 10.11.3 |
| Apple | Tvos | <= 9.1 |
| Apple | Watchos | <= 2.1 |
| Oracle | Glassfish Server | 2.1.1 |
| Oracle | Iplanet Web Proxy Server | 4.0 |
| Oracle | Iplanet Web Server | 7.0 |
| Opensuse | Opensuse | 13.1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.htmlThird Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1245528Issue Tracking
- https://support.apple.com/HT206166Third Party Advisory
- https://support.apple.com/HT206167Third Party Advisory
- https://support.apple.com/HT206168Third Party Advisory
- https://support.apple.com/HT206169Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.htmlThird Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1245528Issue Tracking
- https://support.apple.com/HT206166Third Party Advisory
- https://support.apple.com/HT206167Third Party Advisory
- https://support.apple.com/HT206168Third Party Advisory
- https://support.apple.com/HT206169Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-1950?
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.
How severe is CVE-2016-1950?
Severity scoring for CVE-2016-1950 is pending analysis. The EPSS model estimates a 4.19% probability of exploitation in the next 30 days.
How do I fix CVE-2016-1950?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2016-1950?
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