CVE Feed

    Dashboard / CVE / CVE-2019-11719

    CVE-2019-11719

    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:Jul 10, 2019
    Last Modified:Nov 25, 2025
    EPS:Jul 23, 2019
    EPSS Score:0.00447
    CVSS Score:7.5

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Thunderbird
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift Do

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-84144 (CVSS 7.5) — Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence…
    CVE-2026-84143 (CVSS 9.8) — Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of th…
    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
    CVE-2026-84141 (CVSS 9.8) — Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR…
    CVE-2026-84140 (CVSS 9.8) — Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ES…
    CVE-2026-84139 (CVSS 6.1) — Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.…
    CVE-2026-84138 (CVSS 6.5) — Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155…
    CVE-2026-84137 (CVSS 4.3) — Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153…
    CVE-2026-84136 (CVSS 6.1) — Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, …
    CVE-2026-84135 (CVSS 9.8) — Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.…

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
    https://access.redhat.com/errata/RHSA-2019:1951
    https://bugzilla.mozilla.org/show_bug.cgi?id=1540541
    https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
    https://security.gentoo.org/glsa/201908-12
    https://security.gentoo.org/glsa/201908-20
    https://www.mozilla.org/security/advisories/mfsa2019-21/
    https://www.mozilla.org/security/advisories/mfsa2019-22/
    https://www.mozilla.org/security/advisories/mfsa2019-23/
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
    https://access.redhat.com/errata/RHSA-2019:1951
    https://bugzilla.mozilla.org/show_bug.cgi?id=1540541
    https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
    https://security.gentoo.org/glsa/201908-12
    https://security.gentoo.org/glsa/201908-20
    https://www.mozilla.org/security/advisories/mfsa2019-21/
    https://www.mozilla.org/security/advisories/mfsa2019-22/
    https://www.mozilla.org/security/advisories/mfsa2019-23/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High