Firebird3.0:
Affects firebird3.0Source GCVE Database
Not known to be exploited · CVSS 7.9 High.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:LExploitation evidence
Disclosed: evidence found.
CVE published 17 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10firebird3.0pkg:deb/ubuntu/firebird3.0?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.10firebird4.0pkg:deb/ubuntu/firebird4.0?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSfirebird3.0pkg:deb/ubuntu/firebird3.0?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 25.10firebird3.0pkg:deb/ubuntu/firebird3.0?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 25.10firebird4.0pkg:deb/ubuntu/firebird4.0?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSfirebird3.0pkg:deb/ubuntu/firebird3.0?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade the Firebird client library to version 4 or higher to remediate this vulnerability. No other mitigation steps are indicated.
Description
Firebird client library versions 3.0 contain a vulnerability where incorrect data length values are placed into XSQLDA fields when communicating with Firebird 4 or higher servers, leading to an information leak. This issue is resolved by upgrading to Firebird 4 client or higher versions.