Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through osslcmpmsgcheckupdate in crypto/cmp/cmpvfy.c. An attacker can drive unbounded memory growth by repeatedly sending CMP messages with unique extraCerts that are rejected during...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference due to insufficient type checking in osslcmpcalcprotection in crypto/cmp/cmpprotect.c. An attacker can crash a CMP server or client by sending a crafted PBM-protected message whose protectionAlg parameter uses t...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write due to buffer sizing in cmskekcipher in crypto/cms/cmskari.c and crypto/cms/cmskemri.c. An attacker can corrupt the heap and trigger a denial of service by supplying a crafted CMS message that is decrypted with...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in the chacha20poly1305cipher and aesocbcipher implementations under providers/implementations/ciphers/. An attacker can forge messages by supplying an empty ciphertext and a bad tag, then...

CVE-2026-75803

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

ALPINE-CVE-2026-75803

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

AZL-97671 CVE-2026-75803 affecting package openssl-fips-provider 3.1.2-2

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

AZL-97935 CVE-2026-75803 affecting package openssl for versions less than 3.3.7-6

Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without verifying the supplied authentication tag when the operation is finalized by calling the EVPCipher function. Impact summary: Applications calling EVPCipher on an empty ciphertext and...

ALPINE-CVE-2026-63072

Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive can write and cleanse more bytes than that query reports, causing an 8-byte out-of-bounds heap write. Impact summary: An attacker who supplies a...

ALPINE-CVE-2026-63073

Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directly as the format string to ERRraisedata. Impact summary: A malicious or intercepted CMP endpoint can crash a CMP client that enforces an expected sender or uses a pinned server certificate...

ALPINE-CVE-2026-63074

Issue summary: The OpenSSL Certificate Management Protocol CMP caches additional certificates extraCerts sent in a CMP message, but never expunges them for instance if they are invalid. If a server reuses an OSSLCMPCTX frequently, this cache of extraCerts may grow unboundedly, and a malicious...

ALPINE-CVE-2026-63075

Issue summary: When OpenSSL processes QUIC traffic from a peer that repeatedly sends ack-eliciting packets while not acknowledging ACK-only responses, the QUIC stack can retain ACK-only packet metadata for the lifetime of the connection. Impact summary: A remote peer that can complete a QUIC...

ALPINE-CVE-2026-63076

Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parameter was not NULL and not its ASN.1 type, before treating it as a PBMParameter. A crafted message can contain a parameter of a different type, which is then dereferenced as an invalid...

AZL-97941 CVE-2026-63076 affecting package openssl for versions less than 3.3.7-6

Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parameter was not NULL and not its ASN.1 type, before treating it as a PBMParameter. A crafted message can contain a parameter of a different type, which is then dereferenced as an invalid...

CVE-2026-63072

Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive can write and cleanse more bytes than that query reports, causing an 8-byte out-of-bounds heap write. Impact summary: An attacker who supplies a...

CVE-2026-63073

Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directly as the format string to ERRraisedata. Impact summary: A malicious or intercepted CMP endpoint can crash a CMP client that enforces an expected sender or uses a pinned server certificate...

CVE-2026-63074

Issue summary: The OpenSSL Certificate Management Protocol CMP caches additional certificates extraCerts sent in a CMP message, but never expunges them for instance if they are invalid. If a server reuses an OSSLCMPCTX frequently, this cache of extraCerts may grow unboundedly, and a malicious...

AZL-97665 CVE-2026-63072 affecting package openssl-fips-provider 3.1.2-2

Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive can write and cleanse more bytes than that query reports, causing an 8-byte out-of-bounds heap write. Impact summary: An attacker who supplies a...

AZL-97674 CVE-2026-63076 affecting package openssl-fips-provider 3.1.2-2

Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parameter was not NULL and not its ASN.1 type, before treating it as a PBMParameter. A crafted message can contain a parameter of a different type, which is then dereferenced as an invalid...

AZL-97881 CVE-2026-63074 affecting package edk2 for versions less than 20240524git3e722403cd16-20

Issue summary: The OpenSSL Certificate Management Protocol CMP caches additional certificates extraCerts sent in a CMP message, but never expunges them for instance if they are invalid. If a server reuses an OSSLCMPCTX frequently, this cache of extraCerts may grow unboundedly, and a malicious...