CVE-2009-4448
MEDIUM · CVSS 5.0EPSS 2.0%EU EUVD
inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, allows remote attackers to cause a denial of service (CPU consumption) via a crafted request with a large year value, which triggers a long loop, as reachable through member.php and possibly other vectors.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 2.0% (80th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-4415)
- Published
- December 29, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-4415 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- mybb / mybb
References
- http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/(Patch)
- http://dev.mybboard.net/issues/600(Patch)
- http://dev.mybboard.net/projects/mybb/repository/revisions/4613/diff/branches/1.4-stable/inc/functions_time.php
- http://openwall.com/lists/oss-security/2010/10/08/7
- http://openwall.com/lists/oss-security/2010/10/11/8
- http://openwall.com/lists/oss-security/2010/12/06/2
- http://secunia.com/advisories/37906(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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