CVE-2007-4635
Yahoo! Messenger 8.1.0.209 and 8.1.0.402 allows remote attackers to cause a denial of service ...
Yahoo! Messenger 8.1.0.209 and 8.1.0.402 allows remote attackers to cause a denial of service (application crash) via certain file-transfer packets, possibly involving a buffer overflow, as demonstrated by ym8bug.exe. NOTE: this might be related to CVE-2007-4515. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Exploit likelihood
What each source reports
NVD Score used
Yahoo! Messenger 8.1.0.209 and 8.1.0.402 allows remote attackers to cause a denial of service (application crash) via certain file-transfer packets, possibly involving a buffer overflow, as demonstrated by ym8bug.exe. NOTE: this might be related to CVE-2007-4515. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
- Record
CVE-2007-4635- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20, CWE-119
- Updated
- 2026-11-02
CVE List No score
Yahoo! Messenger 8.1.0.209 and 8.1.0.402 allows remote attackers to cause a denial of service (application crash) via certain file-transfer packets, possibly involving a buffer overflow, as demonstrated by ym8bug.exe. NOTE: this might be related to CVE-2007-4515. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
- Record
CVE-2007-4635- Updated
- 2026-11-02
EUVDEUVD-2007-4617 No score
Yahoo! Messenger 8.1.0.209 and 8.1.0.402 allows remote attackers to cause a denial of service (application crash) via certain file-transfer packets, possibly involving a buffer overflow, as demonstrated by ym8bug.exe. NOTE: this might be related to CVE-2007-4515. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
- Record
EUVD-2007-4617- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3pqv-3gf8-jfg6 No score
Yahoo! Messenger 8.1.0.209 and 8.1.0.402 allows remote attackers to cause a denial of service ...
Yahoo! Messenger 8.1.0.209 and 8.1.0.402 allows remote attackers to cause a denial of service (application crash) via certain file-transfer packets, possibly involving a buffer overflow, as demonstrated by ym8bug.exe. NOTE: this might be related to CVE-2007-4515. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
- Record
GHSA-3pqv-3gf8-jfg6- Weakness
- CWE-20, CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Yahoo! Messenger 8.1 - File Transfer Denial of Service | 2007-08-29 |
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-2007-4635 is a medium vulnerability (CVSS 5.0) in Yahoo Messenger, published August 31, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. No source names a fixed version.