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

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 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-2026-33337 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...

PT-2026-33482

Name of the Vulnerable Software and Affected Versions Firebird versions prior to 5.0.4 Firebird versions prior to 4.0.7 Firebird versions prior to 3.0.14 Description An issue exists during the deserialization of a slice packet where the xdr datum function fails to validate that a cstring length...

PT-2026-33484

Name of the Vulnerable Software and Affected Versions Firebird versions prior to 5.0.4 Firebird versions prior to 4.0.7 Firebird versions prior to 3.0.14 Description The sdl desc function fails to validate the length of a decoded SDL descriptor from a slice packet. A zero-length descriptor can be...