CVE-2007-4903
Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the...
Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allow remote attackers to execute arbitrary code via (1) a long string in the first argument to the AcquireContext method or (2) an unspecified vector to the DeleteContext method.
Exploit likelihood
What each source reports
NVD Score used
Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allow remote attackers to execute arbitrary code via (1) a long string in the first argument to the AcquireContext method or (2) an unspecified vector to the DeleteContext method.
- Record
CVE-2007-4903- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allow remote attackers to execute arbitrary code via (1) a long string in the first argument to the AcquireContext method or (2) an unspecified vector to the DeleteContext method.
- Record
CVE-2007-4903- Updated
- 2026-11-02
EUVDEUVD-2007-4884 No score
Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allow remote attackers to execute arbitrary code via (1) a long string in the first argument to the AcquireContext method or (2) an unspecified vector to the DeleteContext method.
- Record
EUVD-2007-4884- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p559-5q3r-f787 No score
Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the...
Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allow remote attackers to execute arbitrary code via (1) a long string in the first argument to the AcquireContext method or (2) an unspecified vector to the DeleteContext method.
- Record
GHSA-p559-5q3r-f787- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Ultra Crypto Component - 'CryptoX.dll 2.0' Remote Buffer Overflow | 2007-09-10 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-4903 is a high vulnerability (CVSS 7.5) in Ultra Shareware Crypto Component, published September 17, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.39%, the 95th percentile. No source names a fixed version.