Buffer overflow in Wolfssl

CVE-2026-5187

Two potential heap out-of-bounds write locations existed in DecodeObjectId() in wolfcrypt/src/asn.c. First, a bounds check only validates one available slot before writing two OID arc values (out[0] and out[1]), enabling a 2-byte out-of-bo…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References