PT-2026-105118

PHP's OpenSSL stream peer verification checks the certificate's subjectAltName entries first and, whenever no entry matches, falls back to the Common Name. RFC 6125 requires the CN to be ignored once the certificate presents any service identity, so a certificate carrying a non-matching DNS SAN w...

AZL-104907 CVE-2026-91769 affecting package php 8.3.33-1

PHP's OpenSSL stream peer verification checks the certificate's subjectAltName entries first and, whenever no entry matches, falls back to the Common Name. RFC 6125 requires the CN to be ignored once the certificate presents any service identity, so a certificate carrying a non-matching DNS SAN w...

DEBIAN-CVE-2026-91769

PHP's OpenSSL stream peer verification checks the certificate's subjectAltName entries first and, whenever no entry matches, falls back to the Common Name. RFC 6125 requires the CN to be ignored once the certificate presents any service identity, so a certificate carrying a non-matching DNS SAN w...

CVE-2026-91769

PHP's OpenSSL stream peer verification checks the certificate's subjectAltName entries first and, whenever no entry matches, falls back to the Common Name. RFC 6125 requires the CN to be ignored once the certificate presents any service identity, so a certificate carrying a non-matching DNS SAN w...

EUVD-2018-20727

Malware in sbrugna...

curl: CVE-2023-28321: IDN wildcard match

An improper validation of a certificate with host mismatch vulnerability was found in curl/libcurl, which allowed an attacker to perform a man-in-the-middle attack. The vulnerability was caused by the use of wildcards for validation during TLS communication, even if the hostname is an IDN. This...

Mageia: Security Advisory (MGASA-2013-0376)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2018-9127

Botan 2.2.0 - 2.4.0 fixed in 2.5.0 improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must alrea...

Code injection

Botan 2.2.0 - 2.4.0 fixed in 2.5.0 improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must alrea...

CVE-2018-9127

Botan 2.2.0 - 2.4.0 fixed in 2.5.0 improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must alrea...

CVE-2018-9127

Botan 2.2.0 - 2.4.0 fixed in 2.5.0 improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must alrea...

CVE-2018-9127

Botan 2.2.0 - 2.4.0 fixed in 2.5.0 improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must alrea...

CVE-2018-9127

CVE-2018-9127 affects Botan library versions 2.2.0–2.4.0; the issue arises from improper wildcard certificate handling, allowing certain certificates to be treated as valid for hostnames under RFC 6125 rules within the same domain. The vulnerability could enable host impersonation if an attacker ...

CVE-2018-9127

Botan 2.2.0 - 2.4.0 fixed in 2.5.0 improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must alrea...

CVE-2018-9127

Botan 2.2.0 - 2.4.0 fixed in 2.5.0 improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must alrea...

CVE-2018-9127: Improper Certificate Validation

Botan 2.2.0 - 2.4.0 fixed in 2.5.0 improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only affects certificates issued to the same domain as the host, so to impersonate a host one must alrea...

PT-2018-18873

Name of the Vulnerable Software and Affected Versions Botan versions 2.2.0 through 2.4.0 Description The issue improperly handles wildcard certificates, potentially allowing certain certificates to be accepted as valid for hostnames when they should not match according to RFC 6125 rules. This...

CVE-2015-7826

botan 1.11.x before 1.11.22 improperly handles wildcard matching against hostnames, which might allow remote attackers to have unspecified impact via a valid X.509 certificate, as demonstrated by accepting .example.com as a match for bar.foo.example.com. Otherwise valid certificates using wildcar...

CURL-CVE-2016-9952 Win CE Schannel cert wildcard matches too much

curl's TLS server certificate checks are flawed on Windows CE. This vulnerability occurs in the verify certificate function when comparing a wildcard certificate name as returned by the Windows API function CertGetNameString to the hostname used to make the connection to the server. The...

CVE-2013-7440

The ssl.matchhostname function in CPython aka Python before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate...