CVE-2018-18508

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
Mozilla	NSS	>= unspecified, < 3.41.1; >= unspecified, < 3.36.7

References

https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdfThird Party Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notesRelease Notes, Vendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notesRelease Notes, Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04Third Party Advisory, US Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdfThird Party Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notesRelease Notes, Vendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_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

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