CVE-2016-1950

Publication date 8 March 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
firefox 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily
Fixed in 45.0+build2-0ubuntu0.15.10.1
14.04 LTS trusty
Fixed in 45.0+build2-0ubuntu0.14.04.1
12.04 LTS precise
Fixed in 45.0+build2-0ubuntu0.12.04.1
nss 17.04 zesty
Fixed in 2:3.21-1ubuntu4
16.10 yakkety
Fixed in 2:3.21-1ubuntu4
16.04 LTS xenial
Fixed in 2:3.21-1ubuntu4
15.10 wily
Fixed in 2:3.21-0ubuntu0.15.10.2
14.04 LTS trusty
Fixed in 2:3.21-0ubuntu0.14.04.2
12.04 LTS precise
Fixed in 2:3.21-0ubuntu0.12.04.3
thunderbird 17.04 zesty
Fixed in 1:38.8.0+build1-0ubuntu1
16.10 yakkety
Fixed in 1:38.8.0+build1-0ubuntu1
16.04 LTS xenial
Fixed in 1:38.7.2+build1-0ubuntu0.16.04.1
15.10 wily
Fixed in 1:38.7.2+build1-0ubuntu0.15.10.1
14.04 LTS trusty
Fixed in 1:38.7.2+build1-0ubuntu0.14.04.1
12.04 LTS precise
Fixed in 1:38.7.2+build1-0ubuntu0.12.04.1

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
nss

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · High

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities