AWS‑LC, Amazon’s open‑source cryptographic library, received an emergency set of patches in early March 2026 after researchers disclosed a pair of PKCS#7/CMS verification flaws and an AES‑CCM timing issue. One of those defects, tracked as CVE‑2026‑3338, is a signature validation bypass in the...
AWS’ open-source cryptographic library AWS‑LC received a pair of serious PKCS#7 validation fixes in early March 2026 after researchers reported that the library’s PKCS7_verify() routine could incorrectly bypass certificate chain validation for certain multi‑signer PKCS#7 objects, allowing...