CVE-2003-1135
Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service ...
Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID.
- Record
CVE-2003-1135- CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID.
- Record
CVE-2003-1135- Updated
- 2026-11-02
EUVDEUVD-2003-1125 No score
Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID.
- Record
EUVD-2003-1125- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3w6m-fc8w-97c4 No score
Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service ...
Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID.
- Record
GHSA-3w6m-fc8w-97c4- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Yahoo! Messenger 5.6 - File Transfer Buffer Overrun | 2003-10-27 |
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-2003-1135 is a low vulnerability (CVSS 2.6) in Yahoo Messenger, published December 31, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.52%, the 91st percentile. No source names a fixed version.