CVE-2009-4448 json
inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, allows remote attackers to cause a denial of se…
published 16y ago modified 4mo ago also EUVD-2009-4415
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2009-4448 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
References
-
dev.mybboard.net
/issues/600
patch
-
blog.mybboard.net
/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/
patch
-
secunia.com
/advisories/37906
third-party-advisory, vendor-advisory
-
openwall.com
/lists/oss-security/2010/10/08/7
mailing-list
-
openwall.com
/lists/oss-security/2010/10/11/8
mailing-list
-
openwall.com
/lists/oss-security/2010/12/06/2
mailing-list
- dev.mybboard.net /projects/mybb/repository/revisions/4613/diff/branches/1.4-stable/inc/functions_time.php
Sources
- CVE List CVE-2009-4448
- NVD CVE-2009-4448
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