CVE-2026-22699 RustCrypto SM2-PKE has Unchecked AffinePoint Decoding (unwrap) in decrypt()

RustCrypto: Elliptic Curves is general purpose Elliptic Curve Cryptography ECC support, including types and traits for representing various elliptic curve forms, scalars, points, and public/secret keys composed thereof. In versions 0.14.0-pre.0 and 0.14.0-rc.0, a denial-of-service vulnerability...

CVE-2026-22699 RustCrypto SM2-PKE has Unchecked AffinePoint Decoding (unwrap) in decrypt()

RustCrypto: Elliptic Curves is general purpose Elliptic Curve Cryptography ECC support, including types and traits for representing various elliptic curve forms, scalars, points, and public/secret keys composed thereof. In versions 0.14.0-pre.0 and 0.14.0-rc.0, a denial-of-service vulnerability...

SM2-PKE has Unchecked AffinePoint Decoding (unwrap) in decrypt()

Summary A denial-of-service vulnerability exists in the SM2 PKE decryption path where an invalid elliptic-curve point C1 is decoded and the resulting value is unwrapped without checking. Specifically, AffinePoint::fromencodedpoint&encodedc1 may return a None/CtOption::None when the supplied...