NULL Pointer Dereference Affecting nss-softokn-freebl package, versions <0:3.44.0-7.el8_0
Threat Intelligence
EPSS
0.22% (62nd
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-NSSSOFTOKNFREEBL-3919147
- published 26 Jul 2021
- disclosed 22 Jan 2019
Introduced: 22 Jan 2019
CVE-2018-18508 Open this link in a new tabHow to fix?
Upgrade RHEL:8 nss-softokn-freebl to version 0:3.44.0-7.el8_0 or higher.
This issue was patched in RHSA-2019:1951.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nss-softokn-freebl package and not the nss-softokn-freebl package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
- https://access.redhat.com/security/cve/CVE-2018-18508
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
- https://access.redhat.com/errata/RHSA-2019:1951
CVSS Scores
version 3.1