PT-2026-55315

Name of the Vulnerable Software and Affected Versions Libreswan affected versions not specified Description Libreswan fails to correctly verify the authentication hash length when the SIG payload of an IKEv1 packet is encoded using PKCS 1 RSA Encryption. This occurs within the RSA authenticate ha...

gnutls: gnutls: Information disclosure via heap overread in RSA key exchange

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure...

gnutls: gnutls: Information disclosure via heap overread in RSA key exchange

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure...

gnutls: gnutls: Information disclosure via heap overread in RSA key exchange

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure...

Important: Red Hat Security Advisory: gnutls and libtasn1 security update

An update for multiple packages is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

gnutls: gnutls: Information disclosure via heap overread in RSA key exchange

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure...

Important: Red Hat Security Advisory: gnutls and libtasn1 security update

An update for multiple packages is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

RHEL 8 : gnutls and libtasn1 (RHSA-2026:30849)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:30849 advisory. The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such a...

SUSE-SU-2026:22376-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issues - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header bsc1260264. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allo...

SUSE SLES16 Security Update : mcphost (SUSE-SU-2026:22193-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22193-1 advisory. This update for mcphost fixes the following issues - CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506:...

GO-2026-5497 apko `DiscoverKeys` has a panic on non-rsa jwks key that causes crash during key discovery in chainguard.dev/apko

apko DiscoverKeys has a panic on non-rsa jwks key that causes crash during key discovery in chainguard.dev/apko...

EUVD-2026-31396

golang.org/x/crypto/ssh: Invoking pathological RSA/DSA parameters may cause DoS...

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 PKCS#7 KTRI RSA PKCS#1 v1.5 decryption

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 PKCS#7 KTRI RSA PKCS#1 v1.5 decryption

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

CVE-2026-6291 affects wolfSSL (v4.0) and describes a Bleichenbacher padding oracle in PKCS#7 KTRI RSA PKCS#1 v1.5 decryption used for EnvelopedData. The vulnerability arises because error codes differed between RSA padding validation failure and malformed decrypted content, enabling an attacker t...

SUSE-SU-2026:22365-1 Security update for openCryptoki

This update for openCryptoki fixes the following issues Upgrade openCryptoki to version 3.27 jscPED-14609: Add base support for PKCS11 v3.2. Add support for PKCS11 v3.2 CVerifySignatureInit|Update|Final. Add support for PKCS11 v3.2 CEncapsulateKey/CDecapsulateKey. Soft/ICA/CCA/EP11: Add support f...

OPENSUSE-SU-2026:21059-1 Security update for openCryptoki

This update for openCryptoki fixes the following issues Upgrade openCryptoki to version 3.27 jscPED-14609: Add base support for PKCS11 v3.2. Add support for PKCS11 v3.2 CVerifySignatureInit|Update|Final. Add support for PKCS11 v3.2 CEncapsulateKey/CDecapsulateKey. Soft/ICA/CCA/EP11: Add support f...

gnutls security update

3.8.10-4 - Fix CVE-2026-33846 DTLS fragment reassembly, High, heap overwrite - Fix CVE-2026-42009 DTLS fragment reassembly, High, undefined behaviour - Fix CVE-2026-33845 DTLS fragment reassembly, High, heap overread - Fix CVE-2026-42010 PSK authentication, High, authentication bypass - Fix...

gnutls security fix update

3.8.10-4fips - Add FIPS package change: add fips suffix to Release and set Epoch to 10 Orabug: 35925409 - Update FIPS module name for Oracle Linux Orabug: 35925409 3.8.10-4 - Fix CVE-2026-33846 DTLS fragment reassembly, High, heap overwrite - Fix CVE-2026-42009 DTLS fragment reassembly, High,...