CVE-2026-27890

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when processing CNCTspecificdata segments during authentication, the server assumes segments arrive in strictly ascending order. If segments arrive out of order, the Array class's grow...

CVE-2026-35215 Firebird: DoS via malicious slice descriptor in slice packet

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the sdldesc function does not validate the length of a decoded SDL descriptor from a slice packet. A zero-length descriptor is later used to calculate the number of slice items, causing...

EUVD-2026-23490

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the sdldesc function does not validate the length of a decoded SDL descriptor from a slice packet. A zero-length descriptor is later used to calculate the number of slice items, causing...

CVE-2026-35215

CVE-2026-35215 – Firebird DoS via crafted slice packet Firebird, an open-source RDBMS, has a vulnerability in the sdl_desc() function across affected series prior to 5.0.4, 4.0.7, and 3.0.14. The function does not validate the length of a decoded SDL descriptor from a slice packet; a zero-length ...

CVE-2026-35215 Firebird: DoS via malicious slice descriptor in slice packet

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the sdldesc function does not validate the length of a decoded SDL descriptor from a slice packet. A zero-length descriptor is later used to calculate the number of slice items, causing...

CVE-2026-35215

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the sdldesc function does not validate the length of a decoded SDL descriptor from a slice packet. A zero-length descriptor is later used to calculate the number of slice items, causing...

CVE-2026-35215

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the sdldesc function does not validate the length of a decoded SDL descriptor from a slice packet. A zero-length descriptor is later used to calculate the number of slice items, causing...

CVE-2026-35215 Firebird: DoS via malicious slice descriptor in slice packet

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the sdldesc function does not validate the length of a decoded SDL descriptor from a slice packet. A zero-length descriptor is later used to calculate the number of slice items, causing...

CVE-2026-34232 Firebird: DoS via `op_response` packet from client

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdrstatusvector function does not handle the iscargcstring type when decoding an opresponse packet, causing a server crash when one is encountered in the status vector. An...

CVE-2026-34232

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdrstatusvector function does not handle the iscargcstring type when decoding an opresponse packet, causing a server crash when one is encountered in the status vector. An...

EUVD-2026-23486

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdrstatusvector function does not handle the iscargcstring type when decoding an opresponse packet, causing a server crash when one is encountered in the status vector. An...

CVE-2026-34232 Firebird: DoS via `op_response` packet from client

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdrstatusvector function does not handle the iscargcstring type when decoding an opresponse packet, causing a server crash when one is encountered in the status vector. An...

CVE-2026-34232 Firebird: DoS via `op_response` packet from client

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdrstatusvector function does not handle the iscargcstring type when decoding an opresponse packet, causing a server crash when one is encountered in the status vector. An...

CVE-2026-34232

The CVE concerns Firebird (open-source RDBMS). Vulnerability: in affected releases prior to 5.0.4, 4.0.7 and 3.0.14, the xdr_status_vector() function fails to handle the isc_arg_cstring type when decoding an op_response packet, allowing an unauthenticated attacker to crash the server by sending a...

CVE-2026-34232

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdrstatusvector function does not handle the iscargcstring type when decoding an opresponse packet, causing a server crash when one is encountered in the status vector. An...

CVE-2026-33337 Firebird has a buffer overflow when parsing corrupted slice packets

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when deserializing a slice packet, the xdrdatum function does not validate that a cstring length conforms to the slice descriptor bounds, allowing a cstring longer than the allocated...

CVE-2026-33337 Firebird has a buffer overflow when parsing corrupted slice packets

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when deserializing a slice packet, the xdrdatum function does not validate that a cstring length conforms to the slice descriptor bounds, allowing a cstring longer than the allocated...

CVE-2026-33337

Firebird vulnerability CVE-2026-33337 affects the xdr_datum() deserialization path when processing slice packets. In versions prior to 5.0.4, 4.0.7 and 3.0.14, a cstring length is not validated against the slice descriptor bounds, allowing a crafted slice packet to overflow the allocated buffer. ...

CVE-2026-33337 Firebird has a buffer overflow when parsing corrupted slice packets

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when deserializing a slice packet, the xdrdatum function does not validate that a cstring length conforms to the slice descriptor bounds, allowing a cstring longer than the allocated...

EUVD-2026-23482

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when deserializing a slice packet, the xdrdatum function does not validate that a cstring length conforms to the slice descriptor bounds, allowing a cstring longer than the allocated...