420 matches found
CVE-2026-42013 Gnutls: gnutls: certificate validation bypass due to oversized subject alternative name
A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...
CVE-2026-42013
CVE-2026-42013 affects GnuTLS. An oversized Subject Alternative Name (SAN) could cause cert validation to fall back to CN, enabling potential MITM/spoofing. OpenSUSE, Debian, Ubuntu, and OSV advisories indicate patched releases (e.g., OpenSUSE Leap 16.0 patch; Debian gnutls28 3.7.1-5+deb11u10; Ub...
CVE-2026-42012 Gnutls: gnutls: certificate validation bypass due to improper handling of uri and srv sans
A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...
EUVD-2026-32010
A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...
CVE-2026-42013
A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...
CVE-2026-42012
A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...
gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name
A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...
gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name
A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...
gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name
A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...
GnuTLS 信任管理问题漏洞
GnuTLS is an open-source, free security communication library developed by GnuTLS. GnuTLS has a trust management vulnerability, which stems from the certificate verification process. Customized certificates may cause incorrect backtracking during the verification of the common name field,...
GnuTLS 安全漏洞
GnuTLS is an open-source, free security communication library developed by GnuTLS that enables the implementation of SSL, TLS, and DTLS protocols. There is a security vulnerability in gnutls. This vulnerability arises from the fact that using an excessively long subject alternative name during...
gnutls: gnutls: Certificate validation bypass due to improper handling of URI and SRV SANs
A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...
gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name
A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...
Certificate Impersonation
spring-security-web is vulnerable to certificate impersonation. The vulnerability is due to improper parsing of malformed X.509 certificate CN values in SubjectX500PrincipalExtractor, which can result in extracting an incorrect username and allow attackers to impersonate another user...
Improper Validation of Specified Quantity in Input
Overview Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input due to improper handling of oversized Subject Alternative Name fields during certificate validation. An attacker can bypass certificate validation by crafting a certificate with an...
CVE-2026-22747
A flaw was found in Spring Security. This vulnerability allows a remote attacker to impersonate another user. The SubjectX500PrincipalExtractor component incorrectly handles certain malformed X.509 certificate Common Name CN values, which can lead to the system reading an incorrect username. By...
User Impersonation
Overview org.springframework.security:spring-security-web is a package within Spring Security that provides security services for the Spring IO Platform. Affected versions of this package are vulnerable to User Impersonation in the SubjectX500PrincipalExtractor component. An attacker can gain...
EUVD-2026-24609
Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user...
Spring Security Vulnerable to Unauthorized User Impersonation when Using X.509 Client Certificates
Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user...
PT-2026-34251
Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user...