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7.5 High

CVE-2026-34232 Firebird is an open-source relational database management system

Description

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdr_status_vector() function does not handle the isc_arg_cstring type when decoding an op_response packet, causing a server crash when one is encountered in the status vector. An unauthenticated attacker can exploit this by sending a crafted op_response packet to the server. This issue has been fixed in versions 5.0.4, 4.0.7 and 3.0.14.

Affected products and versions

Product Affected versions Fixed in
firebird 5.0 5.0.0 → < 5.0.4 5.0.4
firebird 4.0 4.0.0 → < 4.0.7 4.0.7
firebird 3.0 3.0.0 → < 3.0.14 3.0.14

Other CVEs of firebird

The 13 CVEs of firebird →
CVE-2026-40342 Firebird is an open-source relational database management system 10.0 Critical CVE-2026-35215 Firebird is an open-source relational database management system 7.5 High CVE-2026-33337 Firebird is an open-source relational database management system 7.5 High CVE-2026-28224 Firebird is an open-source relational database management system 8.2 High
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