Improper Certificate Revocation Checking

mwiede jsch is vulnerable to improper certificate revocation checking. The vulnerability is due to improper validation of revoked keys in the getRevokedKeys function of KnownHosts.java, which allows a remote attacker to bypass certificate revocation checks by manipulating the knownhosts argument...

CVE-2026-94417

When an application enables both OCSP and CRL revocation checking on one WOLFSSLCTX or certificate manager, wolfSSL skips the CRL check for any peer certificate that carries no Authority Information Access OCSP URL, and accepts a certificate the loaded CRL lists as revoked. The soft-fail policy f...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation in the check method of ProvOcspRevocationChecker, which verifies a stapled OCSP response's signature and then treats the certificate as unrevoked when no SingleResponse entry matches its CertID, without...

Improper Check for Certificate Revocation

Overview app-store-server-library is a The App Store Server Library Affected versions of this package are vulnerable to Improper Check for Certificate Revocation in the SignedDataVerifier process when online revocation checking is enabled. An attacker can cause the acceptance of revoked...

EUVD-2015-6929

Malware in sbrugna...

EUVD-2015-5840

Malware in sbrugna...

EUVD-2025-0008

Malicious code in bioql PyPI...

Mozilla: Revocation status of S/Mime signature certificates was not checked

The Mozilla Foundation Security Advisory describes this flaw as: Certificate OCSP revocation status was not checked when verifying S/Mime signatures. Mail signed with a revoked certificate would be displayed as having a valid signature. Thunderbird versions from 68 to 102.7.0 were affected by thi...

SUSE-SU-2022:4185-1 Security update for strongswan

This update for strongswan fixes the following issues: - CVE-2022-40617: Fixed that using untrusted URIs for revocation checking could lead to denial of service bsc1203556...

SUSE-SU-2022:4159-1 Security update for strongswan

This update for strongswan fixes the following issues: - CVE-2022-40617: Fixed that using untrusted URIs for revocation checking could lead to denial of service bsc1203556...

GitHub Security Lab: CodeQL query for disabled revocation checking

This bug was reported directly to GitHub Security Lab...

SUSE-SU-2017:1777-1 Security update for freeradius-server

This update for freeradius-server fixes the following issues: - CVE-2017-9148: Disable OpenSSL's internal session cache to mitigate authentication bypass. bnc1041445 - CVE-2015-4680: Add a configuration option to allow checking of all intermediate certificates for revocations. bnc935573 The...

CVE-2015-6997

The X.509 certificate-trust implementation in Apple iOS before 9.1 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked certifica...

Design/Logic Flaw

The X.509 certificate-trust implementation in Apple iOS before 9.1 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked certifica...

CVE-2015-6997

The X.509 certificate-trust implementation in Apple iOS before 9.1 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked certifica...

PT-2015-2454

Name of the Vulnerable Software and Affected Versions Apple iOS versions prior to 9.1 Description The issue is related to the X.509 certificate-trust implementation, which does not properly recognize the requirement for revocation checking. This makes it easier for attackers to conduct...

CVE-2015-5894

The X.509 certificate-trust implementation in Apple OS X before 10.11 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked...

Design/Logic Flaw

The X.509 certificate-trust implementation in Apple OS X before 10.11 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked...

CVE-2015-5894

The X.509 certificate-trust implementation in Apple OS X before 10.11 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked...

PT-2015-2291

Name of the Vulnerable Software and Affected Versions Apple OS X versions prior to 10.11 Description The issue is related to the X.509 certificate-trust implementation, which does not properly handle revocation checking. This makes it easier for attackers to conduct man-in-the-middle attacks by...