CVE-2025-54989

Firebird is a relational database. Prior to versions 3.0.13, 4.0.6, and 5.0.3, there is an XDR message parsing NULL pointer dereference denial-of-service vulnerability in Firebird. This specific flaw exists within the parsing of xdr message from client. It leads to NULL pointer dereference and DoS. This issue has been patched in versions 3.0.13, 4.0.6, and 5.0.3.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub_MCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA-ADPADP
---
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CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 29%
VendorProductVersion
firebirdsqlfirebird
𝑥
< 3.0.13
firebirdsqlfirebird
4.0.0 ≤
𝑥
< 4.0.6
firebirdsqlfirebird
5.0.0 ≤
𝑥
< 5.0.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firebird3.0
bullseye
vulnerable
bullseye (security)
3.0.7.33374.ds4-2+deb11u1
fixed
bookworm
3.0.11.33637.ds4-2+deb12u1
fixed
trixie
3.0.12.ds7-13+deb13u1
fixed
forky
3.0.13.ds7-2
fixed
sid
3.0.13.ds7-2
fixed
firebird4.0
trixie (security)
4.0.5.3140.ds6-17+deb13u1
fixed
trixie
4.0.5.3140.ds6-17+deb13u1
fixed
forky
4.0.6.3221.ds6-2
fixed
sid
4.0.6.3221.ds6-2
fixed
Common Weakness Enumeration
References
https://github.com/FirebirdSQL/firebird/commit/169da595f8693fc1a65a79c741724b1bc8db9f25
https://github.com/FirebirdSQL/firebird/issues/8554
https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-7qp6-hqxj-pjjp
https://lists.debian.org/debian-lts-announce/2025/08/msg00021.html