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CVE-2016-1938 PUBLISHED

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 1.05% · 77.4th percentile

Risk Scores

EPSS Score
1.05%
77.4th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSthunderbird1:38.7.2+build1-0ubuntu0.16.04.1, 1:38.6.0+build1-0ubuntu1, 1:38.5.1+build2-0ubuntu1
Ubuntu:14.04:LTSthunderbird1:38.7.2+build1-0ubuntu0.14.04.1, 1:38.6.0+build1-0ubuntu0.14.04.1, 1:38.5.1+build2-0ubuntu0.14.04.1
Ubuntu:14.04:LTSfirefox41.0.2+build2-0ubuntu0.14.04.1, 42.0+build2-0ubuntu0.14.04.1, 43.0+build1-0ubuntu0.14.04.1
Ubuntu:14.04:LTSnss2:3.19.2.1-0ubuntu0.14.04.2, 2:3.19.2.1-0ubuntu0.14.04.1, 2:3.19.2-0ubuntu0.14.04.1

Timeline

References

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