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CVE-2025-54989
Firebird XDR Message Parsing NULL Pointer Dereference Denial-of-Service Vulnerability
Medium5.3EPSS 0.68%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.68% · top 47% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
- affected < 3.0.13
- affected < 4.0.6
- affected < 5.0.3
References (4)
- https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-7qp6-hqxj-pjjp (opens in a new tab)x_refsource_CONFIRM
- https://github.com/FirebirdSQL/firebird/issues/8554 (opens in a new tab)x_refsource_MISC
- https://github.com/FirebirdSQL/firebird/commit/169da595f8693fc1a65a79c741724b1bc8db9f25 (opens in a new tab)x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2025/08/msg00021.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-54989)Record last updated .