Rocky Linux 10.2 [CIQ] Security Update: openssl / openssl-debuginfo / openssl-debugsource / openssl-devel / etc (crlsa-2026_22314)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202622314 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding descripti...

Rocky Linux 9 [CIQ] Security Update: compat-openssl11 / compat-openssl11-debuginfo / etc (crlsa-2026_22313)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202622313 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding description...

Rocky Linux 8 [CIQ] Security Update: openssl / openssl-debuginfo / openssl-debugsource / openssl-devel / etc (crlsa-2026_38503)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202638503 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding description...

AlmaLinux 9.2 [TuxCare] Security Update: compat-openssl11 (ALMALINUX9.2:CLSA-2026:1781165688)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1781165688 advisory. - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happe...

CentOS Linux 8.5 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1777396609)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1777396609 advisory. - Issue summary: When a delta CRL that contains a Delta CRL Indicator extension is processed a NULL pointer dereference might happen...

Rocky Linux 9 [CIQ] Security Update: openssl / openssl-debuginfo / openssl-debugsource / openssl-devel / etc (crlsa-2026_22312)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202622312 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding description...

CentOS Linux 7 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS7:CLSA-2026:1777566580)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1777566580 advisory. - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen...

Rocky Linux 8 [CIQ] Security Update: compat-openssl10 / compat-openssl10-debuginfo / etc (crlsa-2026_22315)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202622315 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding description...

AlmaLinux 9.6 [TuxCare] Security Update: compat-openssl11 (ALMALINUX9.6:CLSA-2026:1780710220)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1780710220 advisory. - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happe...

Rocky Linux 9.6 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.6:CLSA-2026:1786527958)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786527958 advisory. - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen...

AlmaLinux 9.6 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.6:CLSA-2026:1786527958)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786527958 advisory. - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen...

CentOS Linux 7 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS7:CLSA-2026:1777547052)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1777547052 advisory. - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen. Impac...

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...

RHEL 10 : openssl (RHSA-2026:71542)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:71542 advisory. OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength...

SUSE-SU-2026:23570-1 Security update for python-cryptography

This update for python-cryptography fixes the following issues: - CVE-2026-69247: PKCS7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing bsc1273551. - CVE-2026-69248: verifier accepts wildcard DNS names allowing escape from permittedSubtrees...

SUSE-SU-2026:23404-1 Security update for python-cryptography

This update for python-cryptography fixes the following issues: - CVE-2026-69247: PKCS7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing bsc1273551. - CVE-2026-69248: verifier accepts wildcard DNS names allowing escape from permittedSubtrees...

OPENSUSE-SU-2026:21685-1 Security update for python-cryptography

This update for python-cryptography fixes the following issues: - CVE-2026-69247: PKCS7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing bsc1273551. - CVE-2026-69248: verifier accepts wildcard DNS names allowing escape from permittedSubtrees...

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...

python-cryptography: python-cryptography: PKCS#7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing

A flaw was found in cryptography, a Python package for cryptographic primitives. This vulnerability, known as a Bleichenbacher oracle, arises during PKCS7 EnvelopedData decryption. An attacker can exploit distinguishable error messages and timing differences during decryption to gain information...

cryptography: PKCS#7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing

Summarypkcs7decryptder, pkcs7decryptpem, and pkcs7decryptsmime reported theoutcome of decrypting a RecipientInfo's encryptedKey in severaldistinguishable ways, one of which disclosed the exact length recovered from theRSA operation. The same distinction was also observable by timing. Anapplicatio...