Astra Linux – Vulnerability in mongo-c-driver

The Cyrus SASL integration of the MongoDB C Driver performs unsafe string copying during username canonicalization, allowing a heap buffer overflow before any authentication or network traffic occurs. This can be triggered by passing untrusted input as the username in a MongoDB URI with...

CVE-2026-88035 Heap buffer overflow via wrapped size check during SASL username canonicalization in MongoDB C Driver

A size check in the client-side authentication path of the MongoDB C Driver can wrap around, so an unusually large user-name value is accepted and copied past the end of a small buffer. A party able to set the driver's connection settings may cause the application that embeds the driver to...

Heap buffer overflow via wrapped size check during SASL username canonicalization in MongoDB C Driver

A size check in the client-side authentication path of the MongoDB C Driver can wrap around, so an unusually large user-name value is accepted and copied past the end of a small buffer. A party able to set the driver's connection settings may cause the application that embeds the driver to...

GO-2026-5430 Authelia Missing Username Canonicalization in Basic Auth (LDAP) in github.com/authelia/authelia

Authelia Missing Username Canonicalization in Basic Auth LDAP in github.com/authelia/authelia...

OESA-2026-2692 mongo-c-driver security update

mongo-c-driver is a project that includes two libraries: libmongoc, a client library written in C for MongoDB. libbson, a library providing useful routines related to building, parsing, and iterating BSON documents. Security Fixes: The MongoDB C Driver's Cyrus SASL integration performs unsafe...

OESA-2026-2691 mongo-c-driver security update

mongo-c-driver is a project that includes two libraries: libmongoc, a client library written in C for MongoDB. libbson, a library providing useful routines related to building, parsing, and iterating BSON documents. Security Fixes: The MongoDB C Driver's Cyrus SASL integration performs unsafe...

CVE-2026-47203 Authelia Missing Username Canonicalization in Basic Auth (LDAP)

Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.38.0 through 4.39.19, when a user authenticates via Basic Auth i.e via the Authorization header with the Basic scheme on t...

GHSA-HJJ4-HFJM-FMRJ Authelia Missing Username Canonicalization in Basic Auth (LDAP)

Impact CVSSv4 Baseline Score: Moderate 6.3 CVSSv4 Weighted Score: Low 2.9 The full CVSSv4 Vector for this vulnerability is:...

PT-2026-45030

Name of the Vulnerable Software and Affected Versions Authelia versions 4.38.0 through 4.39.19 Description When using the LDAP authentication backend, the authz verification endpoint fails to canonicalize usernames provided via Basic Auth in the Authorization header. Because LDAP treats usernames...

EUVD-2026-27838

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI...

CVE-2026-6691

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI...

CVE-2026-6691 MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI...

CVE-2026-6691 MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI...

CVE-2026-6691: Buffer Copy without Checking Size of Input

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI...

PT-2026-37642

Name of the Vulnerable Software and Affected Versions mongo-c-driver affected versions not specified Description The Cyrus SASL integration in the MongoDB C Driver performs unsafe string copying during username canonicalization. This flaw enables a heap buffer overflow—a condition where data...

EUVD-2020-29732

Malware in sbrugna...

CVE-2020-8891

An issue was discovered in MISP before 2.4.121. It did not canonicalize usernames when trying to block a brute-force series of invalid requests...

CVE-2020-8891

An issue was discovered in MISP before 2.4.121. It did not canonicalize usernames when trying to block a brute-force series of invalid requests...

Code injection

An issue was discovered in MISP before 2.4.121. It did not canonicalize usernames when trying to block a brute-force series of invalid requests...

CVE-2020-8891: Undefined Security Weakness

An issue was discovered in MISP before 2.4.121. It did not canonicalize usernames when trying to block a brute-force series of invalid requests...