CVE-2019-17007

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

In Network Security Services before 3.44, a malformed Netscape Certificate Sequence can cause NSS to crash, resulting in a denial of service.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-295

Affected software

Vendor	Product	Versions
Mozilla	NSS	>= unspecified, < 3.44

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1533216Exploit, Issue Tracking, Patch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdfThird Party Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.44_release_notesRelease Notes, Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04Third Party Advisory, US Government Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1533216Exploit, Issue Tracking, Patch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdfThird Party Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.44_release_notesRelease Notes, Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04Third Party Advisory, US Government Resource

Timeline

Published: Oct 22, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2019

CVE-2019-170088.8When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vu CVE-2019-170097.8When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to lo CVE-2019-17014.8Multiple vulnerabilities in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) CVE-2019-170107.5Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have c CVE-2019-170117.5Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free CVE-2019-170128.8Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. Some of these bugs showed evidence of memory corr CVE-2019-170138.8Mozilla developers reported memory safety bugs present in Firefox 70. Some of these bugs showed evidence of memory corruption and we presume CVE-2019-170147.4If an image had not loaded correctly (such as when it is not actually an image), it could be dragged and dropped cross-domain, resulting in CVE-2019-170158.8During the initialization of a new content process, a pointer offset can be manipulated leading to memory corruption and a potentially explo CVE-2019-170166.1When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This CVE-2019-170178.8Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough e CVE-2019-170185.3When in Private Browsing Mode on Windows 10, the Windows keyboard may retain word suggestions to improve the accuracy of the keyboard. This