Medium severity4.4NVD Advisory· Published Jul 9, 2020· Updated Jun 17, 2026
CVE-2020-12399
CVE-2020-12399
Description
NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
66unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <68.9.0
- (no CPE)range: <68.9.0
unspecified+ 4 more
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <77.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <68.9.0
- (no CPE)range: <77
- (no CPE)range: unspecified
- osv-coords57 versionspkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/opensuse/mozilla-nspr&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/mozilla-nspr&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 3.53.1-38.23.1+ 56 more
- (no CPE)range: < 3.53.1-38.23.1
- (no CPE)range: < 3.53-3.40.1
- (no CPE)range: < 4.25-29.12.2
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 4.25-lp151.2.9.1
- (no CPE)range: < 3.53-lp151.2.23.1
- (no CPE)range: < 3.69.1-1.2
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 4.25-3.12.1
- (no CPE)range: < 3.53-3.40.1
- (no CPE)range: < 4.25-3.12.1
- (no CPE)range: < 3.53-3.40.1
- (no CPE)range: < 3.53-3.40.1
- (no CPE)range: < 3.53-3.40.1
- (no CPE)range: < 4.25-3.12.1
- (no CPE)range: < 3.53-3.40.1
- (no CPE)range: < 4.25-3.12.1
- (no CPE)range: < 3.53-3.40.1
- (no CPE)range: < 3.53-3.40.1
- (no CPE)range: < 4.25-3.12.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-19.15.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 4.25-3.12.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 3.53.1-58.48.1
- (no CPE)range: < 92.0-1.2
Patches
Vulnerability mechanics
References
8- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredVendor Advisory
- lists.debian.org/debian-lts-announce/2020/09/msg00029.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202007-49nvdThird Party Advisory
- usn.ubuntu.com/4421-1/nvdThird Party Advisory
- www.debian.org/security/2020/dsa-4726nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2020-20/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-21/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-22/nvdVendor Advisory
News mentions
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