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CVE-2016-1938

Published: 26 January 2016

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.

Priority

Medium

CVSS 3 base score: 6.5

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise Does not exist
(precise was released [44.0+build3-0ubuntu0.12.04.1])
trusty Does not exist
(trusty was released [44.0+build3-0ubuntu0.14.04.1])
upstream
Released (44.0)
vivid
Released (44.0+build3-0ubuntu0.15.04.1)
wily
Released (44.0+build3-0ubuntu0.15.10.1)
xenial
Released (44.0+build3-0ubuntu1)
yakkety
Released (44.0+build3-0ubuntu1)
zesty
Released (44.0+build3-0ubuntu1)
nss
Launchpad, Ubuntu, Debian
precise
Released (2:3.21-0ubuntu0.12.04.1)
trusty
Released (2:3.21-0ubuntu0.14.04.1)
upstream
Released (3.21)
vivid Ignored
(reached end-of-life)
wily
Released (2:3.21-0ubuntu0.15.10.1)
xenial Not vulnerable
(2:3.21-1ubuntu2)
yakkety Not vulnerable
(2:3.21-1ubuntu2)
zesty Not vulnerable
(2:3.21-1ubuntu2)
Patches:
upstream: http://hg.mozilla.org/projects/nss/rev/a555bf0fc23a
upstream: http://hg.mozilla.org/projects/nss/rev/608645309ab9
upstream: http://hg.mozilla.org/projects/nss/rev/cfd0ad4726cb
thunderbird
Launchpad, Ubuntu, Debian
precise Does not exist
(precise was released [1:38.8.0+build1-0ubuntu0.12.04.1])
trusty Does not exist
(trusty was released [1:38.8.0+build1-0ubuntu0.14.04.1])
upstream
Released (38.8.0)
vivid Ignored
(reached end-of-life)
wily
Released (1:38.8.0+build1-0ubuntu0.15.10.1)
xenial
Released (1:38.8.0+build1-0ubuntu0.16.04.1)
yakkety
Released (1:38.8.0+build1-0ubuntu1)
zesty
Released (1:38.8.0+build1-0ubuntu1)