CVE-2025-54989: firebirdsql firebird NULL Pointer Dereference
Vulnerability summary
CVE-2025-54989 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in firebirdsql firebird. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 15-08-2025PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 4 sources · 1 version- CVE.orgCNA5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
+0.05 pp
From 0.55% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- firebird3.0< 3.0.11.33637.ds4-2+deb12u1 | < 3.0.12.ds7-13+deb13u1 | < 3.0.13.ds7-1 | < 3.0.7.33374.ds4-2+deb11u1
- firebird4.0< 4.0.5.3140.ds6-17+deb13u1 | < 4.0.6.3221.ds6-1
Suse2 products
- firebird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP6< 3.0.4.33054-150200.3.3.1
- firebird&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7< 3.0.4.33054-150200.3.3.1
Ubuntu2 products
- firebird3.0All versions (No fix recorded)
- firebird4.0All versions (No fix recorded)
Firebirdsql1 product
- firebird< 4.0.6 | < 5.0.3 | < 3.0.13 | ≥ 4.0.0, < 4.0.6 | ≥ 5.0.0, < 5.0.3
Opensuse1 product
- firebird&distro=openSUSE Leap 15.6< 3.0.4.33054-150200.3.3.1
5 vendors · 8 products
References
10 links- github.com/FirebirdSQL/firebird/security/advisories/GHSA-7qp6-hqxj-pjjpX Refsource CONFIRMREPORTThird Party Advisory
- github.com/FirebirdSQL/firebird/commit/169da595f8693fc1a65a79c741724b1bc8db9f25X Refsource MISCREPORTPatch