CVE-2009-0366

CVE-2009-0366 is a medium-severity vulnerability in Wesnoth with a CVSS 2.0 base score of 4.3. 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 4.3)
• EPSS exploit prediction: 2% (78th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Wesnoth
• Published: 2009-03-12
• Last modified: 2026-06-16

Description

The uncompress_buffer function in src/server/simple_wml.cpp in Wesnoth before r33069 allows remote attackers to cause a denial of service via a large compressed WML document.

Frequently asked questions

What is CVE-2009-0366?

The uncompress_buffer function in src/server/simple_wml.cpp in Wesnoth before r33069 allows remote attackers to cause a denial of service via a large compressed WML document.

How severe is CVE-2009-0366?

CVE-2009-0366 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-0366 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0366?

CVE-2009-0366 primarily affects Wesnoth. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0366?

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

When was CVE-2009-0366 published?

CVE-2009-0366 was published on 2009-03-12 and last updated on 2026-06-16.

References

• http://launchpad.net/bugs/335089
• http://launchpad.net/bugs/336396
• http://launchpad.net/bugs/cve/2009-0366
• http://osvdb.org/52672
• http://packages.debian.org/changelogs/pool/main/w/wesnoth/wesnoth_1.4.7-4/changelog
• http://packages.debian.org/changelogs/pool/main/w/wesnoth/wesnoth_1.5.12-1/changelog
• http://secunia.com/advisories/34236
• http://secunia.com/advisories/34253
• http://svn.gna.org/viewcvs/wesnoth/trunk/src/server/simple_wml.cpp?rev=33069&r1=32990&r2=33069
• http://svn.gna.org/viewcvs/wesnoth/trunk/src/server/simple_wml.cpp?rev=33069&view=log
• http://www.debian.org/security/2009/dsa-1737
• http://www.securityfocus.com/bid/34085
• https://gna.org/bugs/index.php?13037

Affected products (57)

• cpe:2.3:a:wesnoth:wesnoth:*:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.0:rc:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.8:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.9:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.10:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.11:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.12:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.13:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.1.14:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.2.8:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.8:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.9:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.11:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.12:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.13:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.14:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.15:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.16:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.17:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.18:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.3.19:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.4:*:*:*:*:*:*:*
• cpe:2.3:a:wesnoth:wesnoth:1.4.1:*:*:*:*:*:*:*

More vulnerabilities in Wesnoth

• CVE-2009-0367 — Critical (CVSS 9.3): The Python AI module in Wesnoth 1.4.x and 1.5 before 1.5.11 allows remote attackers to escape the sandbox and execute…
• CVE-2007-5742 — Critical (CVSS 9.0): Directory traversal vulnerability in the WML engine preprocessor for Wesnoth 1.2.x before 1.2.8, and 1.3.x before…
• CVE-2007-3917 — High (CVSS 7.8): The multiplayer engine in Wesnoth 1.2.x before 1.2.7 and 1.3.x before 1.3.9 allows remote servers to cause a denial of…
• CVE-2007-6201 — High (CVSS 7.5): Unspecified vulnerability in Wesnoth 1.2.x before 1.2.8, and 1.3.x before 1.3.12, allows attackers to cause a denial of…
• CVE-2009-0878 — Medium (CVSS 5.0): The read_game_map function in src/terrain_translation.cpp in Wesnoth before r32987 allows remote attackers to cause a…

All CVEs affecting Wesnoth →

Other CWE-399 (Resource Management Errors) vulnerabilities

• CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
• CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
• CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →