VDB
CVE-2016-1938
CVE-2016-1938
PUBLISHED
CVSS 6.5 MEDIUM
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.
EPSS 3.16% · 87.4th percentile
Risk Scores
CVSS 3.0
6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS Score
3.16%
87.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | thunderbird | *, 1:38.7.2+build1-0ubuntu0.16.04.1, 1:38.6.0+build1-0ubuntu1 |
| Ubuntu:14.04:LTS | thunderbird | 1:31.8.0+build1-0ubuntu0.14.04.1, 1:38.2.0+build1-0ubuntu0.14.04.1, * |
| Ubuntu:14.04:LTS | firefox | *, *, * |
| Ubuntu:14.04:LTS | nss | 2:3.15.3.1-1.1, 2:3.15.4-1ubuntu3, 2:3.15.4-1ubuntu4 |
Timeline
- Jan 26, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- Jul 13, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Oct 28, 2022 EPSS Score
- Feb 11, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 5, 2023 EPSS Score
- Jul 20, 2023 EPSS Score
- Sep 11, 2023 EPSS Score
- Nov 3, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-1938 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2016-07/ third-party-advisory
- https://ubuntu.com/security/notices/USN-2880-1 vendor-advisory
- https://blog.fuzzing-project.org/37-Mozilla-NSS-Wrong-calculation-results-in-mp_div-and-mp_exptmod.html third-party-advisory
- https://ubuntu.com/security/notices/USN-2903-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-2973-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-1938 third-party-advisory