The xdr_status_vector function in Firebird before 2.1.7 and 2.5.x before 2.5.3 SU1 allows remote attackers to cause a denial of service…

Description

The xdr_status_vector function in Firebird before 2.1.7 and 2.5.x before 2.5.3 SU1 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and crash) via an op_response action with a non-empty status.

Scores

EPSS (exploitation in 30 days)

2.9% · top 13% of all CVEs (4 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-476 (opens in a new tab)All about CWE-476 and its CVEs

Affected products

• n/a

  • affected n/a

References (7)

• DSA-3109 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• http://www.firebirdsql.org/en/news/security-updates-for-v2-1-and-v2-5-series-66011/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2015:172 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• http://tracker.firebirdsql.org/browse/CORE-4630 (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2014:1621 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://advisories.mageia.org/MGASA-2014-0523.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-3929-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred

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

[![CVE-2014-9323](https://trackcve.app/badge/CVE-2014-9323.svg)](https://trackcve.app/cve/CVE-2014-9323)

Record last updated 14 Oct 2026, 16:24 UTC.