Description
When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information disclosure. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
Published: 2019-07-23
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1857-1 nss security update
Debian DLA Debian DLA DLA-2388-1 nss security update
Debian DSA Debian DSA DSA-4479-1 firefox-esr security update
Debian DSA Debian DSA DSA-4482-1 thunderbird security update
EUVD EUVD EUVD-2019-3389 When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information disclosure. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
Ubuntu USN Ubuntu USN USN-4054-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-4060-1 NSS vulnerabilities
Ubuntu USN Ubuntu USN USN-4060-2 NSS vulnerabilities
Ubuntu USN Ubuntu USN USN-4064-1 Thunderbird vulnerabilities
History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

Subscriptions

Mozilla Firefox Thunderbird
Redhat Enterprise Linux Openshift Do
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T23:03:32.425Z

Reserved: 2019-05-03T00:00:00.000Z

Link: CVE-2019-11719

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-07-23T14:15:16.077

Modified: 2025-11-25T17:50:16.803

Link: CVE-2019-11719

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-07-10T00:00:00Z

Links: CVE-2019-11719 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses