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Vulnerability details: VCID-ay74-3btx-p3dt
Vulnerability ID VCID-ay74-3btx-p3dt
Aliases CVE-2016-1938
Summary Security researcher Hanno Böck reported that calculations with mp_div and mp_exptmod in Network Security Services (NSS) can produce wrong results in some circumstances. These functions are used within NSS for a variety of cryptographic division functions, leading to potential cryptographic weaknesses.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-682 Incorrect Calculation
System Score Found at
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
epss 0.01048 https://api.first.org/data/v1/epss?cve=CVE-2016-1938
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2016-07
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1938.json
https://api.first.org/data/v1/epss?cve=CVE-2016-1938
1305159 https://bugzilla.redhat.com/show_bug.cgi?id=1305159
CVE-2016-1938 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1938
mfsa2016-07 https://www.mozilla.org/en-US/security/advisories/mfsa2016-07
USN-2880-1 https://usn.ubuntu.com/2880-1/
USN-2903-1 https://usn.ubuntu.com/2903-1/
USN-2973-1 https://usn.ubuntu.com/2973-1/
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.76613
EPSS Score 0.01048
Published At Aug. 4, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:10:11.379177+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2016/mfsa2016-07.md 37.0.0