In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length checks. In cases where the application calling the library did not perform a sanity check on the inputs it could result in a crash due to a buffer overflow.
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.46_release_notes
https://bugzilla.mozilla.org/show_bug.cgi?id=1539788
https://security.netapp.com/advisory/ntap-20210129-0001/
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
Source: MITRE
Published: 2020-10-22
Updated: 2021-07-21
Type: CWE-345
Base Score: 10
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL