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://bugzilla.mozilla.org/show_bug.cgi?id=1539788
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.46_release_notes