CVE-2026-27890 | FirebirdSQL Firebird up to 3.0.13/4.0.6/5.0.3 grow size memory corruption (GHSA-6crx-4g37-7j49)
A vulnerability was found in FirebirdSQL Firebird up to 3.0.13/4.0.6/5.0.3. It has been classified as critical. This vulnerability affects the function grow. The manipulation of the argument size leads to memory corruption.
This vulnerability is uniquely identified as CVE-2026-27890. The attack is possible to be carried out remotely. No exploit exists.
Upgrading the affected component is recommended.