DEBIAN-CVE-2026-34179

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

CVE-2026-34179

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

UBUNTU-CVE-2026-34179

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes through the doCertificateUpdate handler in certificates.go. An attacker can change the type of an existing certificate by sending a certificate update reques...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes through the doCertificateUpdate handler in certificates.go. An attacker can change the type of an existing certificate by sending a certificate update reques...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes through the doCertificateUpdate handler in certificates.go. An attacker can change the type of an existing certificate by sending a certificate update reques...

CVE-2026-34179

CVE-2026-34179 affects Canonical LXD versions 4.12–6.7. The vulnerability is in the doCertificateUpdate function (lxd/certificates.go) where the Type field is not validated for PUT/PATCH requests to /1.0/certificates/{fingerprint} for restricted TLS certificate users, enabling a remote authentica...

CVE-2026-34179 Update of type field in restricted TLS certificate allows privilege escalation to cluster admin

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

CVE-2026-34179

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

CVE-2026-34179 Update of type field in restricted TLS certificate allows privilege escalation to cluster admin

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

CVE-2026-34179

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

CVE-2026-34179 Update of type field in restricted TLS certificate allows privilege escalation to cluster admin

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

openssl: OpenSSL: Heap buffer overflow on 32-bit systems from large X.509 certificate processing

A flaw was found in OpenSSL. This vulnerability, a heap buffer overflow, affects 32-bit systems when processing an unusually large X.509 certificate. If an application or service attempts to print or log such a specially crafted certificate, it could lead to a system crash or potentially allow an...

openssl: OpenSSL: Denial of Service due to excessive memory allocation in TLS 1.3 certificate compression

A flaw was found in OpenSSL. A remote attacker can exploit this vulnerability by sending a specially crafted CompressedCertificate message during the TLS 1.3 handshake. This can cause excessive per-connection memory allocations, leading to resource exhaustion and a Denial of Service DoS for...

openssl: OpenSSL: Arbitrary code execution due to use-after-free in DANE TLSA authentication

A flaw was found in OpenSSL. An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. This vulnerability could lead to data corruption, applicati...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

NULL Pointer Dereference When Processing a Delta CRL

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CLEANSTART-2026-HZ73294 Validating certificate chains which use policies is unexpectedly inefficient when certificates in the chain contain a very large number of policy mappings, possibly causing denial of service

Multiple security vulnerabilities affect the kube-fluentd-operator package. Validating certificate chains which use policies is unexpectedly inefficient when certificates in the chain contain a very large number of policy mappings, possibly causing denial of service. See references for individual...

PT-2026-31793

Name of the Vulnerable Software and Affected Versions WolfSSL affected versions not specified Description WolfSSL improperly handles URI name constraints from constrained intermediate Certificate Authorities CAs during certificate chain verification. The parsing of these constraints occurs, but...

PT-2026-31737

Name of the Vulnerable Software and Affected Versions CertFromX509 affected versions not specified Description A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension. Recommendations At the moment, there...