CVE-2019-11745 json
When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds w…
published 2020-01-08 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-3415
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
Patch / fix
- mozilla firefox 71.0
- mozilla firefox_esr 68.3
- mozilla thunderbird 68.3.0
- siemens ruggedcom_rox_mx5000_firmware 2.14.0
- siemens ruggedcom_rox_rx1400_firmware 2.14.0
- siemens ruggedcom_rox_rx1500_firmware 2.14.0
- siemens ruggedcom_rox_rx1501_firmware 2.14.0
- siemens ruggedcom_rox_rx1510_firmware 2.14.0
- siemens ruggedcom_rox_rx1511_firmware 2.14.0
- siemens ruggedcom_rox_rx1512_firmware 2.14.0
- siemens ruggedcom_rox_rx5000_firmware 2.14.0
- nss Debian 14, Debian 13, Debian 12 2:3.47.1-1
debian advisories DEBIAN-CVE-2019-11745
- nss Ubuntu 16.04 LTS 2:3.28.4-0ubuntu0.16.04.8
- nss Ubuntu 18.04 LTS 2:3.35-2ubuntu2.5
- firefox Ubuntu 16.04 LTS 71.0+build5-0ubuntu0.16.04.1
- firefox Ubuntu 18.04 LTS 71.0+build5-0ubuntu0.18.04.1
- thunderbird Ubuntu 16.04 LTS 1:68.7.0+build1-0ubuntu0.16.04.2
- thunderbird Ubuntu 18.04 LTS 1:68.4.1+build1-0ubuntu0.18.04.1
- nss Ubuntu Pro 14.04 LTS 2:3.28.4-0ubuntu0.14.04.5+esm2
ubuntu advisories UBUNTU-CVE-2019-11745
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- nss-softokn RHEL 6 3.44.0-6.el6_10
- nss-softokn-freebl RHEL 6 3.44.0-6.el6_10
- nss-util RHEL 7 3.44.0-4.el7_7
- nss RHEL 7 3.44.0-7.el7_7
- nss-tools RHEL 7 3.44.0-7.el7_7
- nss-softokn RHEL 7 3.44.0-8.el7_7
- nss-sysinit RHEL 7 3.44.0-7.el7_7
- nss-softokn-freebl RHEL 7 3.44.0-8.el7_7
red hat advisories RHSA-2020:1461RHSA-2020:1345RHSA-2020:1267RHSA-2020:0466RHSA-2020:0243RHSA-2019:4152
- mozilla-nss SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 3.47.1-58.34.1
- mozilla-nspr SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 4.23-19.12.1
- mozilla-nss SLE Module for Server Applications 15 SP1, SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 3.47.1-3.22.1
- mozilla-nspr SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 4.23-3.9.1
- MozillaFirefox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +17 more 68.3.0-109.98.1
- MozillaThunderbird SLE Workstation Extension 15 SP1, SLE Workstation Extension 15 68.3.0-3.61.2
- MozillaFirefox SLE Module for Desktop Applications 15 SP1, SLE Module for Desktop Applications 15 68.3.0-3.62.2
- mozilla-nss SLES 11 SP4-LTSS 3.53.1-38.23.1
suse advisories SUSE-SU-2020:14418-1SUSE-SU-2020:0088-1SUSE-SU-2019:3395-1SUSE-SU-2019:14260-1SUSE-SU-2019:3347-1SUSE-SU-2019:3339-1
- mozilla-nss openSUSE Tumbleweed 3.69.1-1.2
- mozilla-nss openSUSE Leap 15.1 3.47.1-lp151.2.9.1
- mozilla-nspr openSUSE Leap 15.1 4.23-lp151.2.6.1
- MozillaThunderbird openSUSE Leap 15.1 68.3.0-lp151.2.19.1
- MozillaFirefox openSUSE Leap 15.1 68.3.0-lp151.2.21.1
opensuse advisories openSUSE-SU-2024:11058-1openSUSE-SU-2020:0008-1openSUSE-SU-2020:0003-1openSUSE-SU-2020:0002-1
- nss Alpine 3.10 3.44.3-r0
- nss Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 3.47.1-r0
alpine advisories ALPINE-CVE-2019-11745
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2019-11745 updated cvss 8.1
nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate
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Red Hat Enterprise Linux 5 nssaffected: no fix planned “Out of support scope”
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Red Hat Ansible Tower 3.4 for RHEL 7 Server ansible-tower-34/ansible-tower-memcached 1.4.15-28, ansible-tower-35/ansible-tower-memcached 1.4.15-28, ansible-tower-37/ansible-tower-memcached-rhel7 1.4.15-28fixed: vendor fix RHBA-2020:0547
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Red Hat Enterprise Linux AppStream (v. 8) nss 3.44.0-9.el8_1, nss-util 3.44.0-9.el8_1, nss-tools 3.44.0-9.el8_1, nss-softokn 3.44.0-9.el8_1, nss-sysinit 3.44.0-9.el8_1, nss-softokn-freebl 3.44.0-9.el8_1fixed: vendor fix RHSA-2019:4114
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Red Hat Enterprise Linux AppStream E4S (v. 8.0) nss 3.44.0-8.el8_0, nss-util 3.44.0-8.el8_0, nss-tools 3.44.0-8.el8_0, nss-softokn 3.44.0-8.el8_0, nss-sysinit 3.44.0-8.el8_0, nss-softokn-freebl 3.44.0-8.el8_0fixed: vendor fix RHSA-2020:0243
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Red Hat Enterprise Linux Client (v. 7) nss 3.44.0-7.el7_7, nss-util 3.44.0-4.el7_7, nss-tools 3.44.0-7.el7_7, nss-softokn 3.44.0-8.el7_7, nss-sysinit 3.44.0-7.el7_7, nss-softokn-freebl 3.44.0-8.el7_7 Red Hat Enterprise Linux Client Optional (v. 7) nss-devel 3.44.0-7.el7_7, nss-debuginfo 3.44.0-7.el7_7, nss-util-devel 3.44.0-4.el7_7, nss-pkcs11-devel 3.44.0-7.el7_7, nss-softokn-devel 3.44.0-8.el7_7, nss-util-debuginfo 3.44.0-4.el7_7, +2 more Red Hat Enterprise Linux ComputeNode (v. 7) nss 3.44.0-7.el7_7, nss-util 3.44.0-4.el7_7, nss-tools 3.44.0-7.el7_7, nss-softokn 3.44.0-8.el7_7, nss-sysinit 3.44.0-7.el7_7, nss-softokn-freebl 3.44.0-8.el7_7fixed: vendor fix RHSA-2019:4190
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Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) nss-softokn 3.36.0-6.el7_5, nss-softokn-freebl 3.36.0-6.el7_5fixed: vendor fix RHSA-2020:1267
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Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) nss-softokn 3.36.0-6.el7_6, nss-softokn-freebl 3.36.0-6.el7_6fixed: vendor fix RHSA-2020:1461
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Red Hat Enterprise Linux ComputeNode Optional (v. 7) nss-devel 3.44.0-7.el7_7, nss-debuginfo 3.44.0-7.el7_7, nss-util-devel 3.44.0-4.el7_7, nss-pkcs11-devel 3.44.0-7.el7_7, nss-softokn-devel 3.44.0-8.el7_7, nss-util-debuginfo 3.44.0-4.el7_7, +2 morefixed: vendor fix RHSA-2019:4190
show 15 moreshow fewer
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Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) nss-softokn-devel 3.36.0-6.el7_5, nss-softokn-debuginfo 3.36.0-6.el7_5, nss-softokn-freebl-devel 3.36.0-6.el7_5fixed: vendor fix RHSA-2020:1267
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Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) nss-softokn-devel 3.36.0-6.el7_6, nss-softokn-debuginfo 3.36.0-6.el7_6, nss-softokn-freebl-devel 3.36.0-6.el7_6fixed: vendor fix RHSA-2020:1461
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Red Hat Enterprise Linux Desktop (v. 6) nss-softokn 3.44.0-6.el6_10, nss-softokn-freebl 3.44.0-6.el6_10 Red Hat Enterprise Linux Desktop Optional (v. 6) nss-softokn-devel 3.44.0-6.el6_10, nss-softokn-debuginfo 3.44.0-6.el6_10, nss-softokn-freebl-devel 3.44.0-6.el6_10fixed: vendor fix RHSA-2019:4152
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Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) nss-softokn 3.36.0-6.el7_6, nss-softokn-freebl 3.36.0-6.el7_6fixed: vendor fix RHSA-2020:1461
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Red Hat Enterprise Linux HPC Node (v. 6) nss-softokn 3.44.0-6.el6_10, nss-softokn-freebl 3.44.0-6.el6_10 Red Hat Enterprise Linux HPC Node Optional (v. 6) nss-softokn-devel 3.44.0-6.el6_10, nss-softokn-debuginfo 3.44.0-6.el6_10, nss-softokn-freebl-devel 3.44.0-6.el6_10 Red Hat Enterprise Linux Server (v. 6) nss-softokn 3.44.0-6.el6_10, nss-softokn-freebl 3.44.0-6.el6_10fixed: vendor fix RHSA-2019:4152
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Red Hat Enterprise Linux Server (v. 7) nss 3.44.0-7.el7_7, nss-util 3.44.0-4.el7_7, nss-tools 3.44.0-7.el7_7, nss-softokn 3.44.0-8.el7_7, nss-sysinit 3.44.0-7.el7_7, nss-softokn-freebl 3.44.0-8.el7_7fixed: vendor fix RHSA-2019:4190
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Red Hat Enterprise Linux Server AUS (v. 6.6) nss-softokn 3.14.3-23.el6_6, nss-softokn-freebl 3.14.3-23.el6_6fixed: vendor fix RHSA-2020:0466
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Red Hat Enterprise Linux Server AUS (v. 7.4) nss-softokn 3.28.3-9.el7_4, nss-softokn-freebl 3.28.3-9.el7_4 Red Hat Enterprise Linux Server E4S (v. 7.4) nss-softokn 3.28.3-9.el7_4, nss-softokn-freebl 3.28.3-9.el7_4fixed: vendor fix RHSA-2020:1345
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Red Hat Enterprise Linux Server EUS (v. 7.5) nss-softokn 3.36.0-6.el7_5, nss-softokn-freebl 3.36.0-6.el7_5fixed: vendor fix RHSA-2020:1267
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Red Hat Enterprise Linux Server EUS (v. 7.6) nss-softokn 3.36.0-6.el7_6, nss-softokn-freebl 3.36.0-6.el7_6fixed: vendor fix RHSA-2020:1461
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Red Hat Enterprise Linux Server Optional (v. 7) nss-debuginfo 3.44.0-7.el7_7, nss-pkcs11-devel 3.44.0-7.el7_7fixed: vendor fix RHSA-2019:4190
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Red Hat Enterprise Linux Server TUS (v. 7.4) nss-softokn 3.28.3-9.el7_4, nss-softokn-freebl 3.28.3-9.el7_4fixed: vendor fix RHSA-2020:1345
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Red Hat Enterprise Linux Workstation (v. 6) nss-softokn 3.44.0-6.el6_10, nss-softokn-freebl 3.44.0-6.el6_10fixed: vendor fix RHSA-2019:4152
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Red Hat Enterprise Linux Workstation (v. 7) nss 3.44.0-7.el7_7, nss-util 3.44.0-4.el7_7, nss-tools 3.44.0-7.el7_7, nss-softokn 3.44.0-8.el7_7, nss-sysinit 3.44.0-7.el7_7, nss-softokn-freebl 3.44.0-8.el7_7 Red Hat Enterprise Linux Workstation Optional (v. 7) nss-debuginfo 3.44.0-7.el7_7, nss-pkcs11-devel 3.44.0-7.el7_7fixed: vendor fix RHSA-2019:4190
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Red Hat Enterprise Linux 5 firefox, thunderbird Red Hat Enterprise Linux 6 firefox, thunderbird Red Hat Enterprise Linux 7 firefox, thunderbird Red Hat Enterprise Linux 8 firefox, thunderbirdnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
cisa ICSA-21-040-04 updated cvss 8.8
Siemens RUGGEDCOM ROX II
-
Siemens RUGGEDCOM ROX MX5000 <V2.14.0 Siemens RUGGEDCOM ROX RX1400 <V2.14.0 Siemens RUGGEDCOM ROX RX1500 <V2.14.0 Siemens RUGGEDCOM ROX RX1501 <V2.14.0 Siemens RUGGEDCOM ROX RX1510 <V2.14.0 Siemens RUGGEDCOM ROX RX1511 <V2.14.0affected: fixed in V2.14.0, mitigation
+2 more productsfewer
Siemens RUGGEDCOM ROX RX1512 <V2.14.0 Siemens RUGGEDCOM ROX RX5000 <V2.14.0
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
2.99% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Mozilla Thunderbird
- Mozilla Firefox ESR
- Mozilla Firefox
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
bugzilla.mozilla.org
/show_bug.cgi?id=1586176
issue-tracking, patch, vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-01/msg00000.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-01/msg00001.html
vendor-advisory, issue-tracking, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-01/msg00006.html
vendor-advisory, mailing-list, third-party-advisory
-
usn.ubuntu.com
/4241-1/
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2020:0243
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2020:0466
vendor-advisory, third-party-advisory
-
security.gentoo.org
/glsa/202003-02
vendor-advisory, third-party-advisory
-
security.gentoo.org
/glsa/202003-10
vendor-advisory, third-party-advisory
-
security.gentoo.org
/glsa/202003-37
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4335-1/
vendor-advisory, third-party-advisory
-
mozilla.org
/security/advisories/mfsa2019-36/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2019-38/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2019-37/
vendor-advisory
-
lists.debian.org
/debian-lts-announce/2020/09/msg00029.html
mailing-list, third-party-advisory
-
cert-portal.siemens.com
/productcert/pdf/ssa-379803.pdf
third-party-advisory
-
us-cert.cisa.gov
/ics/advisories/icsa-21-040-04
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2019-11745
- NVD CVE-2019-11745
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.