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.
CVE-2019-11729
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 84.7%
- KEV
- Not listed
Published
July 23, 2019
Last Modified
November 25, 2025
References (28)
- security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
- security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
- security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
- security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
- security@mozillahttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- security@mozillahttps://access.redhat.com/errata/RHSA-2019:1951
- security@mozillahttps://access.redhat.com/errata/RHSA-2019:4190
- security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1515342
- security@mozillahttps://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
- security@mozillahttps://security.gentoo.org/glsa/201908-12
- security@mozillahttps://security.gentoo.org/glsa/201908-20
- security@mozillahttps://www.mozilla.org/security/advisories/mfsa2019-21/
- security@mozillahttps://www.mozilla.org/security/advisories/mfsa2019-22/
- security@mozillahttps://www.mozilla.org/security/advisories/mfsa2019-23/
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
Vendor Advisories for CVE-2019-11729(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(7)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libnss3-tools (2:3.28.4-0ubuntu0.16.04.6) @ xenial | 2026-05-27 | ubuntu |
| ubuntu | firefox-mozsymbols (68.0+build3-0ubuntu0.16.04.1) @ xenial | 2026-05-27 | ubuntu |
| ubuntu | xul-ext-lightning (1:60.8.0+build1-0ubuntu0.18.04.1) @ bionic | 2026-05-27 | ubuntu |
| ubuntu | libnss3-tools (2:3.28.4-0ubuntu0.14.04.5+esm1) @ trusty | 2026-05-27 | ubuntu |
| redhat | ansible-tower-37/ansible-tower-memcached-rhel7:1.4.15-28 | 2020-02-18 | redhat |
| redhat | nss-util-0:3.44.0-4.el7_7 | 2019-12-10 | redhat |
| redhat | nss-0:3.44.0-7.el8_0 | 2019-07-30 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(6)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2019:1951MODERATE2019-07-10
RHSA-2019:1951 — Moderate
- Red HatRHSA-2019:4190MODERATE2019-07-10
RHSA-2019:4190 — Moderate
- UbuntuUSN-4054-1MEDIUM
Firefox vulnerabilities
- UbuntuUSN-4060-1MEDIUM
NSS vulnerabilities
- UbuntuUSN-4060-2MEDIUM
NSS vulnerabilities
- UbuntuUSN-4064-1MEDIUM
Thunderbird vulnerabilities
Data Freshness Timeline
(refreshed 12× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-03 07:56 UTCOSV refresh
- 2026-07-02 16:56 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
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- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 22:13 UTCOSV refresh
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-08 14:15 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:42 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-27 17:04 UTCEG score recompute
- 2026-05-27 17:04 UTCVendor advisory
- 2026-05-27 17:03 UTCGHSA enrichment
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-25 22:16 UTCOSV refresh
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10 shownredhat
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Frequently asked(5)
What is CVE-2019-11729?
When was CVE-2019-11729 disclosed?
Is CVE-2019-11729 actively exploited?
What is the CVSS score of CVE-2019-11729?
How do I remediate CVE-2019-11729?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-11729
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