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CVE-2016-1938 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...

MediumCVSS 6.5 EPSS 3.2%
Published
Updated
Exploit status
No public exploit known

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.

Affected products

ProductAffected versionsFixed in
debian/nss(Debian:12) < 2:3.21-1 2:3.21-1
debian/nss(Debian:13) < 2:3.21-1 2:3.21-1
debian/nss(Debian:14) < 2:3.21-1 2:3.21-1
openSUSE leap = 42.1 No fix listed
opensuse = 13.1 No fix listed
opensuse = 13.2 No fix listed
mozilla nss <= 3.20.1 No fix listed
mozilla Firefox <= 43.0.4 No fix listed

References