EUVD-2026-33755

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

CVE-2026-5419

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

Security update for libcryptopp

This update for libcryptopp fixes the following issues: CVE-2023-50979: Fixed side-channel leakage during decryption with PKCS1v1.5 padding. bsc1218217 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

SUSE-SU-2025:4310-1 Security update for libcryptopp

This update for libcryptopp fixes the following issues: - CVE-2023-50979: Fixed side-channel leakage during decryption with PKCS1v1.5 padding. bsc1218217...

OESA-2024-2148 fence-agents security update

A collection of executables to handle isolation "fencing" of possibly misbehaving hosts by the means of remote power management, blocking network, storage, or similar. They operate through a unified interface calling conventions devised for the original Red Hat clustering solution. Security Fixes...

UBUNTU-CVE-2023-50979

Crypto++ aka cryptopp through 8.9.0 has a Marvin side channel during decryption with PKCS1 v1.5 padding...

USN-4990-1: Nettle vulnerabilities

It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, resulting in a denial of service. CVE-2021-3580 It was discovered that Nettle incorrectly handled certain padding oracles. A remote attacker could possibly u...

PYSEC-2020-143

tlslite-ng is an open source python library that implements SSL and TLS cryptographic protocols. In tlslite-ng before versions 0.7.6 and 0.8.0-alpha39, the code that performs decryption and padding check in RSA PKCS1 v1.5 decryption is data dependant. In particular, the code has multiple ways in...