CVE-2012-5645
A denial of service flaw was found in the way the server component of Freeciv before 2.3.4...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-5645- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-5645- Updated
- 2026-11-02
EUVDEUVD-2012-5529 No score
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.
- Record
EUVD-2012-5529- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cjp5-w3hm-4qp4
A denial of service flaw was found in the way the server component of Freeciv before 2.3.4...
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.
- Record
GHSA-cjp5-w3hm-4qp4- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2012-5645- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-5645
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.
- Record
DEBIAN-CVE-2012-5645- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2012-5645
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.
- Record
UBUNTU-CVE-2012-5645- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-5645 is a high vulnerability (CVSS 7.5) in Freeciv, published December 30, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.25%, the 91st percentile. Fixed in freeciv 2.3.4-1.
References
security-tracker.debian.org/tracker/CVE-2012-5645
bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5645
access.redhat.com/security/cve/cve-2012-5645
openwall.com/lists/oss-security/2012/12/18/5
lists.fedoraproject.org/pipermail/package-announce/2013-January/095378.html
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securityfocus.com/bid/41352
bugs.debian.org/cgi-bin/bugreport.cgi?bug=696306
nvd.nist.gov/vuln/detail/CVE-2012-5645
github.com/advisories/GHSA-cjp5-w3hm-4qp4
ubuntu.com/security/CVE-2012-5645
aluigi.altervista.org/adv/freecivet-adv.txt
freeciv.wikia.com/wiki/NEWS-2.3.3
cve.org/CVERecord?id=CVE-2012-5645