gnutls: gnutls: Information disclosure via timing side-channel in PKCS#7 padding removal

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...

gnutls: gnutls: Information disclosure via timing side-channel in PKCS#7 padding removal

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...

OPENSUSE-SU-2026:21144-1 Security update for mbedtls

This update for mbedtls fixes the following issues: Changes in mbedtls: - Update to 3.6.6 LTS maintenance update from 3.6.1; security fixes accumulated across the 3.6.2-3.6.6 releases: CVE-2024-49195 boo1231708: buffer underrun in pkwrite when writing an opaque key pair CVE-2025-27809 boo1240051:...

gnutls: gnutls: Information disclosure via timing side-channel in PKCS#7 padding removal

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 Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal

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 Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal

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...

gnutls: gnutls: Information disclosure via timing side-channel in PKCS#7 padding removal

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...

gnutls: gnutls: Information disclosure via timing side-channel in PKCS#7 padding removal

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...

SUSE CVE-2025-49087

In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS7 padding mode is used...

DEBIAN-CVE-2025-49087

In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS7 padding mode is used...

Covert Timing Channel

Overview Affected versions of this package are vulnerable to Covert Timing Channel in block cipher padding removal. An attacker can recover plaintext data by exploiting timing discrepancies during decryption when PKCS7 padding mode is used. Remediation Upgrade mbedtls to version 3.6.4 or higher...

CVE-2025-49087

In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS7 padding mode is used...

Astra Linux – Vulnerability in opensc

A vulnerability was discovered in OpenSC, where the removal of PKCS1 encryption padding is not implemented in a way that ensures side-channel resistance. This issue may lead to the potential leakage of private data...

Medium: opensc

Issue Overview: A vulnerability was found in OpenSC where PKCS1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data. CVE-2023-5992 Affected Packages: opensc Note: This advisory is applicable to Amazon Linux 2 AL2 Cor...

Medium: opensc

Issue Overview: A vulnerability was found in OpenSC where PKCS1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data. CVE-2023-5992 Affected Packages: opensc Note: This advisory is applicable to Amazon Linux 2 AL2 Cor...

SUSE SLES12 Security Update : opensc (SUSE-SU-2024:1625-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2024:1625-1 advisory. - CVE-2023-5992: Fixed a side-channel leaks while stripping encryption PKCS1 padding bsc1219386 Tenable has extracted the preceding...

Amazon Linux 2023 : opensc (ALAS2023-2024-580)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2024-580 advisory. A vulnerability was found in OpenSC where PKCS1 encryption padding removal is not implemented as side- channel resistant. This issue may result in the potential leak of private data...

Fedora 38 : opensc (2024-b92d44f141)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-b92d44f141 advisory. New upstream release with security fixes for CVE-2023-5992 and CVE-2024-1454 Tenable has extracted the preceding description block directly from the...

OpenSC: Side-channel leaks while stripping encryption PKCS#1 padding

A vulnerability was found in OpenSC where PKCS1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data...

OpenSC: Side-channel leaks while stripping encryption PKCS#1 padding

A vulnerability was found in OpenSC where PKCS1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data...