High
Firebird: Information leak vulnerability in firebird3 client when used with newer server
Type: advisorySources: OSV
Firebird is an open-source relational database management system. In versions FB3 of the client library placed incorrect data length values into XSQLDA fields when communicating with FB4 or higher servers, resulting in an information leak. This issue is fixed by upgrading to the FB4 client or higher.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-65104
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 19:58 UTC · Revision 1
Source evidence
Firebird: Information leak vulnerability in firebird3 client when used with newer server
core-osv · Original sourcePublished 17 Apr 2026, 17:47 UTC
Firebird is an open-source relational database management system. In versions FB3 of the client library placed incorrect data length values into XSQLDA fields when communicating with FB4 or higher servers, resulting in an information leak. This issue is fixed by upgrading to the FB4 client or higher.
osv:CVE-2025-65104
Complete source record
{
"id": "ce560b7a11e7cfe77685acb768938354b5d1fcc273f8981d45a3f7897c3729b7",
"url": "https://osv.dev/vulnerability/CVE-2025-65104",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Firebird: Information leak vulnerability in firebird3 client when used with newer server",
"summary": "Firebird is an open-source relational database management system. In versions FB3 of the client library placed incorrect data length values into XSQLDA fields when communicating with FB4 or higher servers, resulting in an information leak. This issue is fixed by upgrading to the FB4 client or higher.",
"evidence": "osv:CVE-2025-65104",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-65104",
"aliases": [
"CVE-2025-65104",
"GHSA-mfpr-9886-xjhg"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/firebirdsql/firebird",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "463bae029a4426deff7e9bb08a8317aaa398c7c7"
},
{
"fixed": "141bb5491d24cb363f03c5a0786a32f73a1faa5b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.0.14"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "141bb5491d24cb363f03c5a0786a32f73a1faa5b"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v4.0.0"
}
]
}
}
],
"versions": [
"v3.0.13",
"v3.0.12",
"v3.0.11",
"v3.0.10",
"v3.0.9",
"v3.0.8",
"T4_0_0_RC1",
"R3_0_7",
"R3_0_6",
"T4_0_0_Beta2",
"R3_0_5",
"T4_0_0_Beta1",
"R3_0_4",
"R3_0_3",
"R3_0_2",
"R3_0_1",
"R3_0_0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65104.json"
}
}
],
"modified": "2026-10-28T02:30:23.344056907Z",
"provider": "osv",
"references": [
"https://github.com/FirebirdSQL/firebird/releases/tag/v4.0.0",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65104.json",
"https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-mfpr-9886-xjhg",
"https://nvd.nist.gov/vuln/detail/CVE-2025-65104"
],
"provider_metadata": {
"cwe_ids": [
"CWE-200"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65104.json"
}
},
"related_cves": [
{
"value": "CVE-2025-65104",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 489495,
"published_at": "2026-04-17T17:47:42.109+00:00"
}