// For flags

CVE-2003-1135

Yahoo! Messenger 5.6 - File Transfer Buffer Overrun

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2003-10-27 First Exploit
  • 2003-12-31 CVE Published
  • 2005-05-04 CVE Reserved
  • 2024-09-16 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Yahoo
Search vendor "Yahoo"
 Messenger
Search vendor "Yahoo" for product "Messenger"
 5.6
Search vendor "Yahoo" for product "Messenger" and version "5.6"
-
Affected