Vulnerabilities
Misconfiguration
Compliance
Cryptography
CVE Vulnerabilities

CVE-2016-1938

Published: Jan 31, 2016 | Modified: Jun 17, 2026
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS 2.x
6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N
RedHat/V2
2.6 LOW
AV:N/AC:H/Au:N/C:P/I:N/A:N
RedHat/V3
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-1938
CWEhttps://cwe.mitre.org/data/definitions/310.html

The s_mp_div function in lib/freebl/mpi/mpi.c in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, improperly divides numbers, which might make it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging use of the (1) mp_div or (2) mp_exptmod function.

Affected Software

NameVendorStart VersionEnd Version
LeapOpensuse42.1 (including)42.1 (including)
OpensuseOpensuse13.1 (including)13.1 (including)
OpensuseOpensuse13.2 (including)13.2 (including)
FirefoxUbuntudevel*
FirefoxUbuntuprecise*
FirefoxUbuntutrusty*
FirefoxUbuntuupstream*
FirefoxUbuntuvivid*
FirefoxUbuntuwily*
FirefoxUbuntuxenial*
FirefoxUbuntuyakkety*
FirefoxUbuntuzesty*
NssUbuntuesm-infra-legacy/trusty*
NssUbuntuprecise*
NssUbuntutrusty*
NssUbuntutrusty/esm*
NssUbuntuupstream*
NssUbuntuvivid*
NssUbuntuvivid/stable-phone-overlay*
NssUbuntuwily*
ThunderbirdUbuntudevel*
ThunderbirdUbuntuprecise*
ThunderbirdUbuntutrusty*
ThunderbirdUbuntuupstream*
ThunderbirdUbuntuvivid*
ThunderbirdUbuntuwily*
ThunderbirdUbuntuxenial*
ThunderbirdUbuntuyakkety*
ThunderbirdUbuntuzesty*

References

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