Issues

• Zero-length AEAD authentication tag is accepted as valid, bypassing authentication

  weidai11/cryptopp#1369 · Filter by author X1AOxiang opened on Aug 2, 2026
  1

• PBKDF2 DeriveKey treats count 0 like count 1 when timeInSeconds is 0.0

  weidai11/cryptopp#1366 · Filter by author LLian7 opened on Jul 18, 2026
  2

• Crypto++ AEAD APIs accept zero-length authentication tags and report modified ciphertext as valid

  weidai11/cryptopp#1364 · Filter by author LLian7 opened on Jul 14, 2026
  2

• Crypto++ DERReencode recurses through nested indefinite ASN.1 without a depth limit

  weidai11/cryptopp#1353 · Filter by author acorn421 opened on May 23, 2026

• Ed25519 verification accepts non-canonical public keys with `y >= p

  weidai11/cryptopp#1348 · Filter by author py-thok opened on Apr 22, 2026
  1

• cryptopp.com security certificates expired April 5, 2026

  weidai11/cryptopp#1347 · Filter by author norab74 opened on Apr 21, 2026

• New release?

  weidai11/cryptopp#1345 · Filter by author devrimgunduz opened on Apr 3, 2026
  2

• White space with <space><tab> sequences

  weidai11/cryptopp#1344 · Filter by author irwir opened on Feb 27, 2026
  2

• Fortify warning: memcpy bound exceeds object size in esign.cpp when building with clang22

  weidai11/cryptopp#1338 · Filter by author scc-tw opened on Nov 5, 2025
  1

• [feature request] Please provide support for BLAKE3.

  weidai11/cryptopp#1313 · Filter by author sage-nmm opened on Apr 8, 2025
  1

• HC-256 Inconsistent with Other Libraries

  weidai11/cryptopp#1280 · Filter by author Demonslay335 opened on Jun 27, 2024
  7

• Warning in esign.cpp with 8.9.0 and gcc-14.1

  weidai11/cryptopp#1275 · Filter by author vgfl opened on May 8, 2024

• ECP::ScalarMultiply() may seemingly miscompute for small scalars when using Ubuntu 20.04.6 LTS on 64-bit Intel CPUs

  weidai11/cryptopp#1269 · Filter by author ekera opened on Apr 6, 2024
  6

• Add support for Elliptic Curves of Genus n (Hyperelliptic Curves)

  weidai11/cryptopp#1265 · Filter by author Neo-Desktop opened on Mar 16, 2024

• Leak the Secret Key of Elgamal Encryption in Cryptopp via Rowhammer

  weidai11/cryptopp#1262 · Filter by author liang-junkai opened on Feb 19, 2024
  2

• Memory leak in signature verification

  weidai11/cryptopp#1258 · Filter by author zzandyc opened on Jan 13, 2024
  6

• Django cipher texts not matching Crypto++ cipher texts.

  weidai11/cryptopp#1254 · Filter by author Chukwujiobi-Canon opened on Dec 18, 2023

• A security issue in the ModularSquareRoot function leads to a DOS attack

  weidai11/cryptopp#1249 · Filter by author roadicing opened on Nov 20, 2023
  10

• Crypto++ vulnerable to the Marvin Attack

  Security Bug
  weidai11/cryptopp#1247 · Filter by author tomato42 opened on Nov 12, 2023
  2

• CRYPTOPP_VERSION has reached its limits

  weidai11/cryptopp#1239 · Filter by author noloader opened on Oct 1, 2023
  6

• Warning in validat2.cpp

  weidai11/cryptopp#1238 · Filter by author irwir opened on Oct 1, 2023

• Loading RSA private key file containing OID "rsaPSS" throws BERDecode error

  weidai11/cryptopp#1181 · Filter by author luckyPandaBear opened on Dec 7, 2022
  1

• FileSink::IsolatedFlush returns false on success

  weidai11/cryptopp#1178 · Filter by author nickledeg opened on Nov 23, 2022
  2

• Valgrind memcheck: still reachable bytes in Singleton

  weidai11/cryptopp#1145 · Filter by author chazzmcdaniels opened on Aug 19, 2022
  2

• Set salt length for RSA PSS signatures at run time

  weidai11/cryptopp#1121 · Filter by author tex0l opened on May 18, 2022
  10