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
Published Dec 29, 2009
5.0
MEDIUMCVSS 2.0
EPSS 1.71%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.71% (0.01707) | 76.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.71% (0.01707) | 74.25th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.24% (0.01238) | 77.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.29% (0.02292) | 90.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.29% (0.02292) | 87.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (7)
- http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/ x_refsource_CONFIRMPatch
- http://dev.mybboard.net/issues/600 x_refsource_CONFIRMPatch
- http://dev.mybboard.net/projects/mybb/repository/revisions/4613/diff/branches/1.4-stable/inc/functions_time.php x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2010/10/08/7 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2010/10/11/8 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2010/12/06/2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/37906 third-party-advisoryx_refsource_SECUNIAVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/ | x_refsource_CONFIRMPatch | |
| http://dev.mybboard.net/issues/600 | x_refsource_CONFIRMPatch | |
| http://dev.mybboard.net/projects/mybb/repository/revisions/4613/diff/branches/1.4-stable/inc/functions_time.php | x_refsource_CONFIRM | |
| http://openwall.com/lists/oss-security/2010/10/08/7 | mailing-listx_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2010/10/11/8 | mailing-listx_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2010/12/06/2 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/37906 | third-party-advisoryx_refsource_SECUNIAVendor Advisory |
Change history (0)
No recorded changes yet.