inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier…
Priority LOW 27CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
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.
Why it matters now
EPSS 0.01966 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-4448
- 2026-10-03 Alias added: GHSA-qxw9-5977-hjmh
References
Patch 2
Other 4
- [oss-security] 20101008 CVE request: mybb before 1.4.11 and before 1.4.12
- [oss-security] 20101011 Re: CVE request: mybb before 1.4.11 and before 1.4.12
- [oss-security] 20101206 Re: CVE request: mybb before 1.4.11 and before 1.4.12
- http://dev.mybboard.net/projects/mybb/repository/revisions/4613/diff/branches/1.4-stable/inc/functions_time.php
More Mybb vulnerabilities
- TI-2011-04621 myBB 1.6.4 Backdoor Arbitrary Command Execution CVSS 4.0CRITICAL 10.0
- TI-2022-08548 Remote code execution in mybb CVSS 3.1HIGH 7.2
- TI-2023-21959 MyBB before 1.8.36 allows Code Injection by users with certain high privileges. CVSS 3.1HIGH 7.2
- TI-2022-18641 Mail settings' command parameter injection in mybb CVSS 3.1HIGH 7.2
- TI-2025-21092 An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the… CVSS 3.1HIGH 7.6
- TI-2025-21091 An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the… CVSS 3.1HIGH 7.6
Sources
- CVE-2009-4448 · CVE Program
- CVE-2009-4448 · NVD
- FIRST EPSS
- GHSA-qxw9-5977-hjmh · GitHub Advisory Database · CC BY 4.0
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