CVE-2016-1938

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 86.9% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-01-31 18:00Z10 YR AGO

Last updated

2024-08-05 23:10Z2 YR AGO

Reserved

2016-01-20

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-310
• CWE-682Incorrect CalculationPillar

Data version

5.1

Document digest

d6a6d476959cf29450f316f470024a532e0b2740ad1bd0b8efb0146606968312

• www.securityfocus.com81955http://www.securityfocus.com/bid/81955vdb-entryx_refsource_BID
• www.debian.orgDSA-3688http://www.debian.org/security/2016/dsa-3688vendor-advisoryx_refsource_DEBIAN
• www.securitytracker.com1034825http://www.securitytracker.com/id/1034825vdb-entryx_refsource_SECTRACK
• security.gentoo.orgGLSA-201701-46https://security.gentoo.org/glsa/201701-46vendor-advisoryx_refsource_GENTOO
• www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.htmlx_refsource_CONFIRM
• www.ubuntu.comUSN-2903-2http://www.ubuntu.com/usn/USN-2903-2vendor-advisoryx_refsource_UBUNTU
• www.ubuntu.comUSN-2880-1http://www.ubuntu.com/usn/USN-2880-1vendor-advisoryx_refsource_UBUNTU
• www.ubuntu.comUSN-2903-1http://www.ubuntu.com/usn/USN-2903-1vendor-advisoryx_refsource_UBUNTU
• www.ubuntu.comUSN-2880-2http://www.ubuntu.com/usn/USN-2880-2vendor-advisoryx_refsource_UBUNTU
• github.comhttps://github.com/hannob/bignum-fuzz/blob/master/CVE-2016-1938-nss-mp_exptmod.cx_refsource_MISC
• developer.mozilla.orghttps://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21_release_notesx_refsource_MISC
• lists.opensuse.orgSUSE-SU-2016:0338http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00010.htmlvendor-advisoryx_refsource_SUSE
• www.mozilla.orghttp://www.mozilla.org/security/announce/2016/mfsa2016-07.htmlx_refsource_CONFIRM
• blog.fuzzing-project.orghttps://blog.fuzzing-project.org/37-Mozilla-NSS-Wrong-calculation-results-in-mp_div-and-mp_exptmod.htmlx_refsource_MISC
• www.ubuntu.comUSN-2973-1http://www.ubuntu.com/usn/USN-2973-1vendor-advisoryx_refsource_UBUNTU
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1194947x_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2016:0309http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00002.htmlvendor-advisoryx_refsource_SUSE
• www.securityfocus.com91787http://www.securityfocus.com/bid/91787vdb-entryx_refsource_BID
• github.comhttps://github.com/hannob/bignum-fuzz/blob/master/CVE-2016-1938-nss-mp_div.cx_refsource_MISC
• security.gentoo.orgGLSA-201605-06https://security.gentoo.org/glsa/201605-06vendor-advisoryx_refsource_GENTOO
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1190248x_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2016:0306http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00001.htmlvendor-advisoryx_refsource_SUSE
• hg.mozilla.orghttps://hg.mozilla.org/projects/nss/diff/a555bf0fc23a/lib/freebl/mpi/mpi.cx_refsource_CONFIRM