9.5 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
51.5%
In wolfSSL through 4.1.0, there is a missing sanity check of memory accesses in parsing ASN.1 certificate data while handshaking. Specifically, there is a one-byte heap-based buffer over-read in CheckCertSignature_ex in wolfcrypt/src/asn.c.
github.com/wolfSSL/wolfssl/issues/2459