DEBIAN-CVE-2026-27890
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-27890
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-27890.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-27890
- Upstream
- Published
- 2026-04-17T19:16:34Z
- Modified
- 2026-09-14T17:03:25Z
- Severity
-
- 8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when processing CNCT_specific_data segments during authentication, the server assumes segments arrive in strictly ascending order. If segments arrive out of order, the Array class's grow() method computes a negative size value, causing a SIGSEGV crash. An unauthenticated attacker who knows only the server's IP and port can exploit this to crash the server. This issue has been fixed in versions 5.0.4, 4.0.7 and 3.0.14.
- References
Affected packages
Debian:12 / firebird3.0
Package
- Name
- firebird3.0
- Purl
- pkg:deb/debian/firebird3.0?arch=source&distro=bookworm
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
3.*
3.0.11.33637.ds4-2
3.0.11.33637.ds4-2+deb12u1
3.0.11.33637.ds4-2+m68k
3.0.11.33637.ds4-2+m68k.1
3.0.11.33703.ds4-1
3.0.11.33703.ds4-2
3.0.11.33703.ds4-3
3.0.11.33703.ds4-3+exp.0
3.0.11.33703.ds4-3+exp.1
3.0.11.33703.ds4-3+m68k
3.0.11.33703.ds4-4
3.0.11.33703.ds4-4+exp.0
3.0.11.33703.ds4-4+m68k
3.0.12.ds5-1
3.0.12.ds5-2
3.0.12.ds7-1
3.0.12.ds7-2
3.0.12.ds7-3
3.0.12.ds7-3+exp.0
3.0.12.ds7-5
3.0.12.ds7-5+exp1
3.0.12.ds7-6
3.0.12.ds7-7
3.0.12.ds7-7+exp1
3.0.12.ds7-8
3.0.12.ds7-9
3.0.12.ds7-10
3.0.12.ds7-11
3.0.12.ds7-12
3.0.12.ds7-13
3.0.12.ds7-13+m68k
3.0.12.ds7-13+m68k.1
3.0.13.ds7-1
3.0.13.ds7-2
3.0.14.ds7-1
Debian:13 / firebird3.0
Package
- Name
- firebird3.0
- Purl
- pkg:deb/debian/firebird3.0?arch=source&distro=trixie
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Debian:14 / firebird3.0
Package
- Name
- firebird3.0
- Purl
- pkg:deb/debian/firebird3.0?arch=source&distro=forky
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed3.0.14.ds7-1
Debian:13 / firebird4.0
Package
- Name
- firebird4.0
- Purl
- pkg:deb/debian/firebird4.0?arch=source&distro=trixie
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Debian:14 / firebird4.0
Package
- Name
- firebird4.0
- Purl
- pkg:deb/debian/firebird4.0?arch=source&distro=forky