CVE-2009-4448
inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions,...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-4448- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-4448- Updated
- 2026-11-02
EUVDEUVD-2009-4415 No score
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.
- Record
EUVD-2009-4415- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qxw9-5977-hjmh No score
inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions,...
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.
- Record
GHSA-qxw9-5977-hjmh- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-4448 is a medium vulnerability (CVSS 5.0) in Mybb, published December 29, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.97%, the 80th percentile. No source names a fixed version.
References
openwall.com/lists/oss-security/2010/10/08/7
secunia.com/advisories/37906
dev.mybboard.net/projects/mybb/repository/revisions/4613/diff/branches/1.4-stable/inc/functions_time.php
blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update
nvd.nist.gov/vuln/detail/CVE-2009-4448
github.com/advisories/GHSA-qxw9-5977-hjmh