CVE-2025-54989

NameCVE-2025-54989
DescriptionFirebird 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-4282-1, DSA-5992-1
Debian Bugs1111320, 1111321

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firebird3.0 (PTS)bullseye3.0.7.33374.ds4-2vulnerable
bullseye (security)3.0.7.33374.ds4-2+deb11u1fixed
bookworm3.0.11.33637.ds4-2vulnerable
trixie3.0.12.ds7-13vulnerable
forky, sid3.0.13.ds7-2fixed
firebird4.0 (PTS)trixie4.0.5.3140.ds6-17vulnerable
trixie (security)4.0.5.3140.ds6-17+deb13u1fixed
forky, sid4.0.6.3221.ds6-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firebird3.0sourcebullseye3.0.7.33374.ds4-2+deb11u1DLA-4282-1
firebird3.0source(unstable)3.0.13.ds7-11111321
firebird4.0sourcetrixie4.0.5.3140.ds6-17+deb13u1DSA-5992-1
firebird4.0source(unstable)4.0.6.3221.ds6-11111320

Notes

[trixie] - firebird3.0 <no-dsa> (Minor issue)
[bookworm] - firebird3.0 <no-dsa> (Minor issue)
https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-7qp6-hqxj-pjjp
https://github.com/FirebirdSQL/firebird/issues/8554
Fixed by: https://github.com/FirebirdSQL/firebird/commit/169da595f8693fc1a65a79c741724b1bc8db9f25
https://www.zerodayinitiative.com/advisories/ZDI-25-859/

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