A certain ActiveX control in (1) OScan8.ocx and (2) Oscan81.ocx in BitDefender Online Anti-Virus Scanner 8.0 allows remote attackers to execute arbitrary code via a long argument to the InitX method that begins with a "%%" sequence, which is misinterpreted as a Unicode string and decoded twice, leading to improper memory allocation and a heap-based buffer overflow
Published Nov 30, 2007
9.3
HIGHCVSS 2.0
EPSS 8.08%
Description
A certain ActiveX control in (1) OScan8.ocx and (2) Oscan81.ocx in BitDefender Online Anti-Virus Scanner 8.0 allows remote attackers to execute arbitrary code via a long argument to the InitX method that begins with a "%%" sequence, which is misinterpreted as a Unicode string and decoded twice, leading to improper memory allocation and a heap-based buffer overflow.
Affected products
No data.
- 8.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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:M/Au:N/C:C/I:C/A:C
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 2, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 8.08% (0.08084) | 94.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.08% (0.08084) | 94.06th | v5 (v2026.06.15) |
| Nov 19, 2025 | 23.23% (0.23228) | 95.58th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.20% (0.13195) | 93.51th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.39% (0.11389) | 89.25th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.20% (0.13195) | 93.58th | v4 (v2025.03.14) |
| Dec 12, 2024 | 11.61% (0.11613) | 95.51th | v3 (v2023.03.01) |
| Oct 3, 2024 | 11.61% (0.11613) | 95.38th | v3 (v2023.03.01) |
| Jul 19, 2024 | 9.72% (0.09722) | 94.86th | v3 (v2023.03.01) |
| May 3, 2024 | 9.65% (0.09652) | 94.74th | v3 (v2023.03.01) |
| Mar 7, 2023 | 10.80% (0.10805) | 94.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.52% (0.07525) | 92.75th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.52% (0.07525) | 92.03th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.52% (0.07525) | 80.97th | v2 (v2022.01.01) |
References (7)
- http://research.eeye.com/html/advisories/published/AD20071120.html x_refsource_MISC
- http://secunia.com/advisories/27717 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://securityreason.com/securityalert/3405 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1018986 vdb-entryx_refsource_SECTRACK
- http://www.securityfocus.com/archive/1/483986/100/100/threaded mailing-listx_refsource_BUGTRAQ
- http://www.vupen.com/english/advisories/2007/3935 vdb-entryx_refsource_VUPEN
- https://www.exploit-db.com/exploits/4663 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://research.eeye.com/html/advisories/published/AD20071120.html | x_refsource_MISC | |
| http://secunia.com/advisories/27717 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://securityreason.com/securityalert/3405 | third-party-advisoryx_refsource_SREASON | |
| http://securitytracker.com/id?1018986 | vdb-entryx_refsource_SECTRACK | |
| http://www.securityfocus.com/archive/1/483986/100/100/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.vupen.com/english/advisories/2007/3935 | vdb-entryx_refsource_VUPEN | |
| https://www.exploit-db.com/exploits/4663 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.