CVE-2019-11729

Published: Jul 23, 2019Modified: Nov 25, 2025

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (3)

Products: Mozilla: Firefox, Thunderbird

Mozilla

2 products

Firefox

Thunderbird

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 60.8.0
Mozilla Firefox	Before 68.0
Mozilla Thunderbird	Before 60.8.0

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (28)

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html

Source: security@mozilla.org

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html

Source: security@mozilla.org

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html

Source: security@mozilla.org

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html

Source: security@mozilla.org

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html

Source: security@mozilla.org

https://access.redhat.com/errata/RHSA-2019:1951

Source: security@mozilla.org

https://access.redhat.com/errata/RHSA-2019:4190

Source: security@mozilla.org

https://bugzilla.mozilla.org/show_bug.cgi?id=1515342

Source: security@mozilla.org

Issue TrackingPermissions RequiredVendor Advisory

https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html

Source: security@mozilla.org

https://security.gentoo.org/glsa/201908-12

Source: security@mozilla.org

https://security.gentoo.org/glsa/201908-20

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2019-21/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-22/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-23/

Source: security@mozilla.org

Vendor Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html