OESA-2026-3858 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: 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...

OESA-2026-3857 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: 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...

openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap

A flaw was found in the OpenSSL CMS implementation RFC 3211 KEK Unwrap. This vulnerability allows memory corruption, an application level denial of service, or potential execution of attacker-supplied code via crafted CMS messages using password-based encryption PWRI...

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...

CVE-2026-63072

The OpenSSL library is vulnerable to a deterministic 8-byte out-of-bounds heap write during CMS decryption . The root cause lies in the CMS decryption process where the key-unwrap output buffer is sized based on a query of the unwrapped key size; however, the AES-WRAP-PAD unwrap primitive can wri...

OESA-2026-3005 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer...

OESA-2026-3004 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer...

Security Bulletin: Vulnerable Version of Software in Use

Summary Prior versions include vulnerable version of openssl. Vulnerability Details CVEID:CVE-2026-28390 DESCRIPTION: Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that...

SUSE CVE-2026-9076

Issue summary: When CMS password-based decryption RFC 3211 / PWRI key unwrap processes attacker-supplied CMS data, an attacker-chosen stream-mode KEK cipher can trigger a heap out-of-bounds read in kekunwrapkey. Impact summary: A heap buffer over-read may trigger a crash which leads to Denial of...

Linux Distros Unpatched Vulnerability : CVE-2026-9076

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Issue summary: When CMS password-based decryption RFC 3211 / PWRI key unwrap processes attacker-supplied CMS data, an attacker-chosen stream-mode KEK cipher can...

EUVD-2026-35475

Issue summary: When CMS password-based decryption RFC 3211 / PWRI key unwrap processes attacker-supplied CMS data, an attacker-chosen stream-mode KEK cipher can trigger a heap out-of-bounds read in kekunwrapkey. Impact summary: A heap buffer over-read may trigger a crash which leads to Denial of...

CVE-2026-42766 Possible NULL Dereference in Password-Based CMS Decryption

Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer dereference leads to an application crash and a Denial of Service. The CMS PasswordRecipientInfo.keyDerivationAlgorithm field is define...

CVE-2026-42766 Possible NULL Dereference in Password-Based CMS Decryption

Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer dereference leads to an application crash and a Denial of Service. The CMS PasswordRecipientInfo.keyDerivationAlgorithm field is define...

PT-2026-47836

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description A NULL pointer dereference can occur during the decryption of password-encrypted Cryptographic Message Syntax CMS messages. The issue arises because the OpenSSL CMS implementation dereference...

openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap

A flaw was found in the OpenSSL CMS implementation RFC 3211 KEK Unwrap. This vulnerability allows memory corruption, an application level denial of service, or potential execution of attacker-supplied code via crafted CMS messages using password-based encryption PWRI...

openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap

A flaw was found in the OpenSSL CMS implementation RFC 3211 KEK Unwrap. This vulnerability allows memory corruption, an application level denial of service, or potential execution of attacker-supplied code via crafted CMS messages using password-based encryption PWRI...

openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap

A flaw was found in the OpenSSL CMS implementation RFC 3211 KEK Unwrap. This vulnerability allows memory corruption, an application level denial of service, or potential execution of attacker-supplied code via crafted CMS messages using password-based encryption PWRI...

EulerOS 2.0 SP12 : openssl (EulerOS-SA-2026-1096)

According to the versions of the openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Issue summary: An application trying to decrypt CMS messages encrypted using password based encryption can trigger an out-of-bounds read and writ...

Security Bulletin: IBM i is affected by an out-of-bounds read and write in OpenSSL [CVE-2025-9230]

Summary OpenSSL for IBM i is vulnerable to an out-of-bounds read and write when decrypting CMS messages encrypted using password based encryption CVE-2025-9230 as described in the vulnerability details section. Vulnerability Details CVEID:CVE-2025-9230 DESCRIPTION: Issue summary: An application...

Amazon Linux 2 : edk2, --advisory ALAS2-2025-3022 (ALAS-2025-3022)

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-3022 advisory. Issue summary: An application trying to decrypt CMS messages encrypted usingpassword based encryption can trigger an out-of-bounds read and write. Impact summary: This out-of-bounds read may trigger a cra...