CVE-2019-11729 json
Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into me…
published 2019-07-23 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-3399
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
Patch / fix
- Mozilla Firefox ESR 60.8
- Mozilla Firefox 68
- Mozilla Thunderbird 60.8
- nss Debian 14, Debian 13, Debian 12 2:3.45-1
- firefox-esr Debian 14, Debian 13, Debian 12 60.8.0esr-1
- thunderbird Debian 14, Debian 13, Debian 12 1:60.8.0-1
debian advisories DEBIAN-CVE-2019-11729
- nss Ubuntu 16.04 LTS 2:3.28.4-0ubuntu0.16.04.6
- nss Ubuntu 18.04 LTS 2:3.35-2ubuntu2.3
- firefox Ubuntu 16.04 LTS 68.0+build3-0ubuntu0.16.04.1
- firefox Ubuntu 18.04 LTS 68.0+build3-0ubuntu0.18.04.1
- thunderbird Ubuntu 16.04 LTS 1:60.8.0+build1-0ubuntu0.16.04.2
- thunderbird Ubuntu 18.04 LTS 1:60.8.0+build1-0ubuntu0.18.04.1
- nss Ubuntu Pro 14.04 LTS 2:3.28.4-0ubuntu0.14.04.5+esm1
ubuntu advisories UBUNTU-CVE-2019-11729
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-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
- nss RHEL 8 3.44.0-7.el8_0
- nspr RHEL 8 4.21.0-2.el8_0
red hat advisories RHSA-2019:4190RHSA-2019:1951
- MozillaFirefox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +18 more 68.1.0-109.89.1
- MozillaFirefox-branding-SLE SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +16 more 68-32.8.1
- MozillaThunderbird SLE Workstation Extension 15 SP1, SLE Workstation Extension 15 68.1.1-3.51.1
- MozillaFirefox SLES 12 SP4, SLES 12 SP3-BCL, SLES 12 SP2-BCL +15 more 60.8.0-109.83.3
- mozilla-nss SLES 12 SP4, SLES 12 SP3-BCL, SLES 12 SP2-BCL +15 more 3.44.1-58.28.1
- MozillaThunderbird SLE Workstation Extension 15 SP1, SLE Workstation Extension 15 60.8.0-3.46.2
- MozillaFirefox SLE Module for Desktop Applications 15 SP1, SLE Module for Desktop Applications 15 60.8.0-3.51.4
- mozilla-nss SLE Module for Server Applications 15 SP1, SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 3.44.1-3.16.2
suse advisories SUSE-SU-2019:14246-1SUSE-SU-2019:2620-1SUSE-SU-2019:2515-1SUSE-SU-2019:1861-2SUSE-SU-2019:1960-1SUSE-SU-2019:1869-1
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 92.0-1.2
- MozillaThunderbird openSUSE Tumbleweed 91.1.1-1.1
- mozilla-nss openSUSE Tumbleweed 3.69.1-1.2
- MozillaThunderbird openSUSE Leap 15.1 68.1.1-lp151.2.13.1
- enigmail openSUSE Leap 15.1 2.1.2-lp151.2.6.1
- MozillaThunderbird openSUSE Leap 15.0 68.1.1-lp150.3.51.1
- enigmail openSUSE Leap 15.0 2.1.2-lp150.34.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10600-1openSUSE-SU-2024:10601-1openSUSE-SU-2024:11058-1openSUSE-SU-2019:2249-1openSUSE-SU-2019:2248-1
- firefox-esr Alpine 3.10, Alpine 3.9 60.8.0-r0
- firefox-esr Alpine 3.23, Alpine 3.22, Alpine 3.21 +10 more 68.0-r0
alpine advisories ALPINE-CVE-2019-11729
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- firefox Arch Linux 68.0-1
arch linux advisories AVG-1002
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-2019-11729 updated cvss 7.5
nss: Empty or malformed p256-ECDH public keys may trigger a segmentation fault
-
Red Hat Enterprise Linux 5 firefox Red Hat Enterprise Linux 6 nss, nss-tools, nss-sysinit Red Hat JBoss Enterprise Application Platform 6 nssaffected: no fix planned “Out of support scope”
-
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
-
Red Hat Enterprise Linux AppStream (v. 8) nss 3.44.0-7.el8_0, nspr 4.21.0-2.el8_0, nss-util 3.44.0-7.el8_0, nss-tools 3.44.0-7.el8_0, nss-softokn 3.44.0-7.el8_0, nss-sysinit 3.44.0-7.el8_0, +1 morefixed: vendor fix RHSA-2019:1951
-
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_7 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 more 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_7 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
+2 more productsfewer
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_7 -
Red Hat Enterprise Linux 6 firefox Red Hat Enterprise Linux 7 firefox Red Hat Enterprise Linux 8 firefox Red Hat OpenShift Container Platform 4 nss-altfilesnot 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
Exploit prediction
2.79% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Mozilla Firefox ESR
- Mozilla Firefox
- Mozilla Thunderbird
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
lists.opensuse.org
/opensuse-security-announce/2019-07/msg00055.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2019-07/msg00058.html
vendor-advisory
-
access.redhat.com
/errata/RHSA-2019:1951
vendor-advisory
-
security.gentoo.org
/glsa/201908-12
vendor-advisory
-
security.gentoo.org
/glsa/201908-20
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2019-08/msg00073.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2019-10/msg00010.html
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2019-10/msg00009.html
vendor-advisory
-
access.redhat.com
/errata/RHSA-2019:4190
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2019-21/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2019-22/
vendor-advisory
-
mozilla.org
/security/advisories/mfsa2019-23/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1515342
issue-tracking, permissions-required, vendor-advisory
-
lists.debian.org
/debian-lts-announce/2020/09/msg00029.html
mailing-list
Sources
- CVE List CVE-2019-11729
- NVD CVE-2019-11729
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.