CVE-2016-1950: apple iphone_os
Vulnerability summary
CVE-2016-1950 is a high (CVSS 8.8) vulnerability in apple iphone_os. EPSS estimates a 4.19% chance of exploitation in the next 30 days, higher than 90.9% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 11Timeline
- 13-03-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
4.19%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.19% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat8 products
- nss< 0:3.19.1-4.el5_11
- nss-debuginfo< 0:3.19.1-4.el5_11
- nss-devel< 0:3.19.1-4.el5_11
- nss-pkcs11-devel< 0:3.19.1-4.el5_11
- nss-tools< 0:3.19.1-4.el5_11
Oracle5 products
- glassfish_server2.1.1
- iplanet_web_proxy_server4.0
- iplanet_web_server7.0
- linuxEOL5.0 | 6 | 7
- vm_server3.2
Ubuntu3 products
- firefox< 45.0+build2-0ubuntu0.14.04.1
- nss< 2:3.21-1ubuntu4 | < 2:3.21-0ubuntu0.14.04.2
- thunderbird< 1:38.7.2+build1-0ubuntu0.14.04.1 | < 1:38.7.2+build1-0ubuntu0.16.04.1
Debian2 products
- firefox-esr< 45.0esr-1
- nss< 2:3.23-1
Mageia2 products
- nss< 3.23.0-1.mga5
- rootcerts< 20160225.00-1.mga5
Mozilla2 products
- firefox≤ 44.0.2 | 38.0 | 38.0.1 | 38.0.5 | 38.1.0 | 38.1.1 | 38.2.0 | 38.2.1 | 38.3.0 | 38.4.0 | 38.5.0 | 38.5.1 | 38.6.0 | 38.6.1
- network_security_services3.19.2 | 3.20 | 3.20.1 | 3.21
Opensuse1 product
- opensuseEOL13.1
8 vendors · 27 products
References
60 links- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlX Refsource CONFIRMThird Party Advisory
- bto.bluecoat.com/security-advisory/sa119X Refsource CONFIRM
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.apple.com/archives/security-announce/2016/Mar/msg00004.htmlVendor AdvisoryX Refsource APPLEMailing List
Show all 60 references
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRMThird Party Advisory
- lists.apple.com/archives/security-announce/2016/Mar/msg00000.htmlVendor AdvisoryX Refsource APPLEMailing List
- www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlX Refsource CONFIRMThird Party Advisory
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlX Refsource CONFIRM
- lists.apple.com/archives/security-announce/2016/Mar/msg00001.htmlVendor AdvisoryX Refsource APPLEMailing List
- www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlX Refsource CONFIRM
- lists.apple.com/archives/security-announce/2016/Mar/msg00002.htmlVendor AdvisoryX Refsource APPLEMailing List
- developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.2.3_release_notesX Refsource CONFIRMRelease Notes
- developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.1_release_notesX Refsource CONFIRMRelease Notes