CVE-2026-65626

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

Linux Distros Unpatched Vulnerability : CVE-2026-65626

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a...

DEBIAN-CVE-2026-65626

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

CVE-2026-65626

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

AZL-112196 CVE-2026-65626 affecting package rabbitmq-server for versions less than 3.13.7-10

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

UBUNTU-CVE-2026-65626

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

CVE-2026-65626

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

CVE-2026-65626 Bleichenbacher padding oracle in RSAES-PKCS1-v1_5 decryption in jose

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

EUVD-2026-110304

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

CVE-2026-65626

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

CVE-2026-65626

The jose library (versions 1.3.0 before 1.11.13 ) contains a Bleichenbacher padding oracle in its pure-Erlang jose_jwa_pkcs1 module. The vulnerability arises because the eme_pkcs1_decode/2 and rsaes_pkcs1_decrypt/2 functions fail to implement implicit-rejection countermeasures (RFC 8017 §7.2.2), ...

CVE-2026-65626 Bleichenbacher padding oracle in RSAES-PKCS1-v1_5 decryption in jose

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

EEF-CVE-2026-65626 Bleichenbacher padding oracle in RSAES-PKCS1-v1_5 decryption in jose

Summary The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00...

CVE-2026-65626 Bleichenbacher padding oracle in RSAES-PKCS1-v1_5 decryption in jose

The pure-Erlang RSAES-PKCS1-v15 decryption in the josejwapkcs1 module is a Bleichenbacher padding oracle. emepkcs1decode/2 returns the recovered message when a decrypted block has valid PKCS1 v1.5 padding a leading 0x00 0x02, a padding string of at least eight non-zero bytes, and a 0x00 separator...

PT-2026-125111

Name of the Vulnerable Software and Affected Versions jose versions 1.3.0 through 1.11.12 Description The jose jwa pkcs1 module contains a Bleichenbacher padding oracle in its pure-Erlang RSAES-PKCS1-v1 5 decryption. The function eme pkcs1 decode/2 returns the recovered message for valid PKCS1 v1...

Andrew Bennett JOSE side-channel information disclosure vulnerability

Versions of JOSE prior to 1.3.0 and 1.11.13 contain a side-channel information disclosure vulnerability. This vulnerability stems from the RSAES-PKCS1-v15 decryption in the JOSEjwapkcs1 module, which utilizes a Bleichenbacher padding oracle without employing an implicit rejection mechanism...

CVE-2026-63573 Bleichenbacher padding oracle in CMS RSA PKCS#1 v1.5 key-transport unwrap

Observable discrepancy in the CMS RSA PKCS1 v1.5 key-transport unwrap KeyTransRecipientInformation.UnwrapKey in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote attacker who holds a captured CMS EnvelopedData message, and who can submit many modified messages to an...

UBUNTU-CVE-2026-6291

Bleichenbacher padding oracle in PKCS7 KTRI decryption. When decrypting PKCS7 EnvelopedData using RSA PKCS1 v1.5 key transport, wolfSSL returned distinguishable error codes depending on whether RSA padding validation failed versus whether the decrypted content was malformed. An attacker able to...

CVE-2026-6291

Bleichenbacher padding oracle in PKCS7 KTRI decryption. When decrypting PKCS7 EnvelopedData using RSA PKCS1 v1.5 key transport, wolfSSL returned distinguishable error codes depending on whether RSA padding validation failed versus whether the decrypted content was malformed. An attacker able to...

JLSEC-2026-218 In situations where an attacker receives automated notification of the success or failure of a...

In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted...