UBUNTU-CVE-2026-28390

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denia...

CVE-2026-4159

1-byte OOB heap read in wcPKCS7DecodeEnvelopedData via zero-length encrypted content. A vulnerability existed in wolfSSL 5.8.4 and earlier, where a 1-byte out-of-bounds heap read in wcPKCS7DecodeEnvelopedData could be triggered by a crafted CMS EnvelopedData message with zero-length encrypted...

CVE-2026-4159

CVE-2026-4159: A 1-byte out-of-bounds heap read in wolfSSL’s wc_PKCS7_DecodeEnvelopedData can be triggered by a crafted CMS EnvelopedData message with zero-length encrypted content. Affected software: wolfSSL 5.8.4 and earlier; root cause is a 1-byte OOB read during enveloped data decoding. Impac...

PT-2026-26376

Name of the Vulnerable Software and Affected Versions wolfSSL versions 5.8.4 and earlier Description An out-of-bounds heap read issue exists in the wc PKCS7 DecodeEnvelopedData function when processing crafted CMS EnvelopedData messages containing zero-length encrypted content. This issue could...

ABB AC500 V3 Stack Buffer Overflow in Cryptographic Message Syntax

SUMMARY ABB became aware of vulnerability in the products versions listed as affected in the advisory. An update is available that resolves publicly reported vulnerability. An attacker who successfully exploited these vulnerabilities could cause a crash, denial-of-service DoS, or potentially...

Security Bulletin: IBM QRadar SIEM is vulnerable to using components with known vulnerabilities

Summary Multiple components with known vulnerabilities were addressed in IBM QRadar SIEM 7.5.0 UP14 IF05 Vulnerability Details CVEID:CVE-2025-68615 DESCRIPTION: net-snmp is a SNMP application library, tools and daemon. Prior to versions 5.9.5 and 5.10.pre2, a specially crafted packet to an net-sn...

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 3.x Malicious AES‑GCM ASN.1 Parameter Injection

This C code is a security research proof of concept targeting OpenSSL's CMS Cryptographic Message Syntax handling. It programmatically creates a syntactically valid CMS AuthEnvelopedData object using AES-256-GCM, then injects a custom-crafted ASN.1 AESGCMPARAMETERS sequence with an abnormally lar...

OESA-2026-1311 openssl security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact...

OESA-2026-1310 openssl security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact...

RHEL 9 : openssl (RHSA-2026:1733)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:1733 advisory. OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength...

Exploit for CVE-2025-15467

CVE-2025-15467: OpenSSL CMS AuthEnvelopedData Stack Buffer Ove...

openssl: OpenSSL: Remote code execution or Denial of Service via oversized Initialization Vector in CMS parsing

A flaw was found in OpenSSL. A remote attacker can exploit a stack buffer overflow vulnerability by supplying a crafted Cryptographic Message Syntax CMS message with an oversized Initialization Vector IV when parsing AuthEnvelopedData structures that use Authenticated Encryption with Associated...

openssl: OpenSSL: Remote code execution or Denial of Service via oversized Initialization Vector in CMS parsing

A flaw was found in OpenSSL. A remote attacker can exploit a stack buffer overflow vulnerability by supplying a crafted Cryptographic Message Syntax CMS message with an oversized Initialization Vector IV when parsing AuthEnvelopedData structures that use Authenticated Encryption with Associated...

Security update for openssl-3

This update for openssl-3 fixes the following issues: CVE-2025-15467: Stack buffer overflow in CMS AuthEnvelopedData parsing bsc1256830. CVE-2025-68160: Heap out-of-bounds write in BIOflinebuffer on short writes bsc1256834. CVE-2025-69418: Unauthenticated/unencrypted trailing bytes with low-level...

SUSE-SU-2026:0310-1 Security update for openssl-3

This update for openssl-3 fixes the following issues: - CVE-2025-15467: Stack buffer overflow in CMS AuthEnvelopedData parsing bsc1256830. - CVE-2025-68160: Heap out-of-bounds write in BIOflinebuffer on short writes bsc1256834. - CVE-2025-69418: Unauthenticated/unencrypted trailing bytes with...

CVE-2026-24881

A flaw was found in GnuPG. A remote attacker could exploit this vulnerability by sending a specially crafted Cryptographic Message Syntax CMS EnvelopedData message. This message, containing an oversized wrapped session key, can cause a stack-based buffer overflow in the gpg-agent component...

CVE-2026-24881

In GnuPG before 2.5.17, a crafted CMS S/MIME EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that...

CVE-2026-24881

In GnuPG before 2.5.17, a crafted CMS S/MIME EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that...

CVE-2026-24881

CVE-2026-24881 affects GnuPG before 2.5.17. A crafted CMS (S/MIME) EnvelopedData message with an oversized wrapped session key can trigger a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This may lead to denial of service, and memory corruption could enable remote c...