Uncontrolled resource consumption in freeciv
Priority MEDIUM 40CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
A denial of service flaw was found in the way the server component of Freeciv before 2.3.4 processed certain packets. A remote attacker could send a specially-crafted packet that, when processed would lead to memory exhaustion or excessive CPU consumption.
Why it matters now
EPSS 0.04254 91st percentileScored 2026-11-07
Fix Fixed freeciv (freeciv): 2.3.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| freeciv | freeciv | before 2.3.4 | 2.3.4 | Patch available | CNA |
- freeciv Vendorfreeciv Affected before 2.3.4 Fixed in 2.3.4 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freeciv:freeciv:*:*:*:*:*:*:*:* | before 2.3.4 | Vulnerable | freeciv |
| cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:* | 16 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* | 17 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* | 18 | Vulnerable | Fedoraproject |
- cpe:2.3:a:freeciv:freeciv:*:*:*:*:*:*:*:* Versions before 2.3.4 Vulnerable ·freeciv
- cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:* Versions 16 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* Versions 17 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* Versions 18 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA freeciv (freeciv) Fixed in 2.3.4
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-5645
- 2026-10-03 Alias added: GHSA-cjp5-w3hm-4qp4
References
Advisory 11
- https://security-tracker.debian.org/tracker/CVE-2012-5645
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5645
- http://www.openwall.com/lists/oss-security/2012/12/18/5
- http://www.openwall.com/lists/oss-security/2012/12/31/2
- http://lists.fedoraproject.org/pipermail/package-announce/2013-January/095378.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-January/095381.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-January/096391.html
- http://www.openwall.com/lists/oss-security/2012/12/22/4
- http://www.openwall.com/lists/oss-security/2012/12/30/11
- http://www.openwall.com/lists/oss-security/2012/12/30/8
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=696306
More Freeciv vulnerabilities
- TI-2010-02348 freeciv 2.2 before 2.2.1 and 2.3 before 2.3.0 allows attackers to read arbitrary files or… CVSS 2.0HIGH 10.0
- TI-2012-05047 Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet. CVSS 3.1HIGH 7.5
- TI-2022-18439 Freeciv before 2.6.7 and before 3.0.3 is prone to a buffer overflow vulnerability in the… CVSS 3.1HIGH 8.8
- TI-2006-03789 Buffer overflow in Freeciv 2.1.0-beta1 and earlier, and SVN 15 Jul 2006 and earlier… CVSS 2.0HIGH 7.5
- TI-2006-00042 packets.c in Freeciv 2.0 before 2.0.8 allows remote attackers to cause a denial of… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2012-5645 · CVE Program
- CVE-2012-5645 · NVD
- FIRST EPSS
- GHSA-cjp5-w3hm-4qp4 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-5645 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences