NULL pointer dereference in Mozilla Network_security_services

CVE-2018-18508

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.

EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-18508?
CVE-2018-18508 is a medium-severity vulnerability in Mozilla Network_security_services, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2020-10-22.
How severe is CVE-2018-18508?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2018-18508 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.