CVE-2010-2534

CVE-2010-2534 is a medium-severity vulnerability in Openttd with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 3% (87th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Openttd
• Published: 2010-07-28
• Last modified: 2026-06-16

Description

The NetworkSyncCommandQueue function in network/network_command.cpp in OpenTTD before 1.0.3 does not properly clear a pointer in a linked list, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted request, related to the client command queue.

Frequently asked questions

What is CVE-2010-2534?

The NetworkSyncCommandQueue function in network/network_command.cpp in OpenTTD before 1.0.3 does not properly clear a pointer in a linked list, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted request, related to the client command queue.

How severe is CVE-2010-2534?

CVE-2010-2534 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2010-2534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2534?

CVE-2010-2534 primarily affects Openttd. In total, 87 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2534?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-2534 published?

CVE-2010-2534 was published on 2010-07-28 and last updated on 2026-06-16.

References

• http://bugs.openttd.org/task/3909
• http://bugs.openttd.org/task/3909/getfile/6237/loop_fix.patch
• http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044516.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044565.html
• http://osvdb.org/66503
• http://secunia.com/advisories/40630
• http://secunia.com/advisories/40760
• http://security.openttd.org/en/CVE-2010-2534
• http://www.openwall.com/lists/oss-security/2010/07/20/1
• http://www.securityfocus.com/bid/41804
• http://www.vupen.com/english/advisories/2010/1888
• http://www.vupen.com/english/advisories/2010/1916
• https://exchange.xforce.ibmcloud.com/vulnerabilities/60568

Affected products (87)

• cpe:2.3:a:openttd:openttd:0.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.3.7:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.4.8:rc1:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.4.8:rc2:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.0:rc3:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.0:rc4:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.0:rc5:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.1:rc1:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.1:rc2:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.1:rc3:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.2:rc1:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.3:rc1:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.3:rc2:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.5.3:rc3:*:*:*:*:*:*
• cpe:2.3:a:openttd:openttd:0.6.0:*:*:*:*:*:*:*

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