CVE-2016-1938

NSS: Errors in mp_div and mp_exptmod cryptographic functions

Published Jan 31, 2016 CVSS 3.0 · 6.5 Medium EPSS 3.2% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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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
History
Type Values Removed Values Added
Metrics epss

{'score': 0.0059}

epss

{'score': 0.01048}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 5, 2024, 11:10 PM
Reserved
Jan 20, 2016, 12:00 AM
Status
Modified
Published
Jan 31, 2016, 6:59 PM
Modified
Jun 17, 2026, 12:42 AM
Severity
Low
Public date
Jan 26, 2016, 12:00 AM