Moderate: compat-openssl11 security update

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries from the 1.1.1 version and is provided for compatibility with previous releases. Security Fixes: openssl: OpenSSL: Denial of Service due to NULL pointer...

JLSEC-2026-564 In GnuPG before 2.5.17, a crafted CMS (S/MIME) EnvelopedData message carrying an oversized wrapped...

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...

ANT-2026-P23DVQM2 · wolfSSL · crypto-failure

crypto-failure high CVE-2026-5500 GHSA-m77r-vqw2-hffx Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-P23DVQM2: wolfSSL PKCS7...

SUSE SLES15 Security Update : openssl-3 (SUSE-SU-2026:1711-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1711-1 advisory. This update for openssl-3 fixes the following issue: - CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS...

openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing

A flaw was found in OpenSSL. A remote attacker could exploit this vulnerability by sending a specially crafted Cryptographic Message Syntax CMS EnvelopedData message. During the processing of a KeyTransportRecipientInfo with RSA-OAEP encryption, the system attempts to access an optional parameter...

SUSE-SU-2026:1711-1 Security update for openssl-3

This update for openssl-3 fixes the following issue: - CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo bsc1261678...

JLSEC-2026-274 Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a...

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo 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 Denial of...

JLSEC-2026-256 Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can...

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. When parsing CMS...

SUSE SLES15 Security Update : openssl-3 (SUSE-SU-2026:1605-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1605-1 advisory. This update for openssl-3 fixes the following issue: Security issues fixed: - CVE-2026-28390: NULL pointer dereference during processing of ...

SUSE SLES15 Security Update : openssl-1_1 (SUSE-SU-2026:1562-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1562-1 advisory. - CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo bsc126167...

SUSE SLES15 Security Update : openssl-1_1 (SUSE-SU-2026:1577-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1577-1 advisory. - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processi...

SUSE-SU-2026:1577-1 Security update for openssl-1_1

This update for openssl-11 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInf...

SUSE-SU-2026:1549-1 Security update for openssl-1_1

This update for openssl-11 fixes the following issues: - CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo bsc1261678...

SUSE-SU-2026:21244-1 Security update for openssl-3

This update for openssl-3 fixes the following issues: - CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo bsc1261678...

Security update for openssl-3

This update for openssl-3 fixes the following issue: CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo bsc1261678. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST...

SUSE-SU-2026:1386-1 Security update for openssl-1_1

This update for openssl-11 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInf...

SUSE-SU-2026:1375-1 Security update for openssl-3

This update for openssl-3 fixes the following issues: Security issues fixed: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CM...

SUSE-SU-2026:21107-1 Security update for openssl-3

This update for openssl-3 fixes the following issues: Security issues fixed: - CVE-2026-2673: TLS 1.3 servers may choose unexpected key agreement group bsc1259652. - CVE-2026-28387: potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL pointer dereference when processing...

Improper Input Validation

Overview Affected versions of this package are vulnerable to Improper Input Validation due to improper validation of the AES-GCM authentication tag length in the wcPKCS7DecodeAuthEnvelopedData function. An attacker can bypass authentication by truncating the authentication tag, significantly...

CVE-2026-5500 Improper Validation of AES-GCM Authentication Tag Length in PKCS#7 Envelope Allows Authentication Bypass

wolfSSL's wcPKCS7DecodeAuthEnvelopedData does not properly sanitize the AES-GCM authentication tag length received and has no lower bounds check. A man-in-the-middle can therefore truncate the mac field from 16 bytes to 1 byte, reducing the tag check from 2⁻¹²⁸ to 2⁻⁸...