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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-427-1 nss security update
Debian DLA Debian DLA DLA-480-1 nss security update
Debian DSA Debian DSA DSA-3688-1 nss security update
EUVD EUVD EUVD-2016-3027 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.
Ubuntu USN Ubuntu USN USN-2880-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-2903-1 NSS vulnerability
Ubuntu USN Ubuntu USN USN-2973-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0059}

epss

{'score': 0.01048}


cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T23:10:40.307Z

Reserved: 2016-01-20T00:00:00

Link: CVE-2016-1938

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-01-31T18:59:05.107

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-1938

cve-icon Redhat

Severity : Low

Publid Date: 2016-01-26T00:00:00Z

Links: CVE-2016-1938 - Bugzilla

cve-icon OpenCVE Enrichment

No data.