CVE catalog

CVE-2025-24975

firebird3.0: CVE-2025-24975

Severity: Low
Published: Aug 15, 2025, 3:15:32 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.56% · Oct 25, 2026

Firebird is a relational database. Prior to snapshot versions 4.0.6.3183, 5.0.2.1610, and 6.0.0.609, Firebird is vulnerable if ExtConnPoolSize is not set equal to 0. If connections stored in ExtConnPool are not verified for presence and suitability of the CryptCallback interface is used when created versus what is available could result in a segfault in the server process. Encrypted databases, accessed by execute statement on external, may be accessed later by an attachment missing a key to that database. In a case when execute statement are chained, segfault may happen. Additionally, the segfault may affect unencrypted databases. This issue has been patched in snapshot versions 4.0.6.3183, 5.0.2.1610, and 6.0.0.609 and point releases 4.0.6 and 5.0.2. A workaround for this issue involves setting ExtConnPoolSize equal to 0 in firebird.conf.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	firebird3.0	sid	`3.0.14.ds7-1`	not affected
Debian	firebird3.0	forky	`3.0.14.ds7-1`	not affected
Debian	firebird3.0	trixie	`3.0.12.ds7-13+deb13u1`	not affected
Debian	firebird3.0	bookworm	`3.0.11.33637.ds4-2+deb12u1`	not affected

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	firebird3.0	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	firebird3.0	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	firebird3.0	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	firebird3.0	source	bookworm	`Not affected`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[firebird3.0-common]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · all · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · all · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[firebird3.0-common-doc]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · all · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · all · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[firebird3.0-doc]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · all · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · all · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[firebird3.0-examples]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · all · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · all · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[firebird3.0-server]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · amd64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · arm64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[firebird3.0-server-core]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · amd64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · arm64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[firebird3.0-utils]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · amd64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · arm64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[firebird-dev]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · amd64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · arm64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[libfbclient2]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · amd64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · arm64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
[libib-util]Not affected
Source package: [firebird3.0]
Details (2)
- 3.0.11.33637.ds4-2+deb12u1 · amd64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm
- 3.0.11.33637.ds4-2+deb12u1 · arm64 · bookworm
  Not affected
  dsa · firebird3.0 · debian · bookworm

[Debian 13 (Trixie)]

[firebird4.0-common]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[firebird4.0-common-doc]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[firebird4.0-doc]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[firebird4.0-examples]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[firebird4.0-server]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[firebird4.0-server-core]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[firebird4.0-utils]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[firebird-dev]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[firebird-utils]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · all · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
[libfbclient2]Fixed
Source package: [firebird4.0]
Details (4)
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13
- 4.0.5.3140.ds6-17+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.0.5.3140.ds6-17+deb13u1
  dsa · firebird4.0 · debian · 13

Next results

Observed: Oct 27, 2026, 12:31:02 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]