CVE-2008-0852
freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a...
freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which triggers a NULL pointer dereference.
Exploit likelihood
What each source reports
NVD Score used
freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which triggers a NULL pointer dereference.
- Record
CVE-2008-0852- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which triggers a NULL pointer dereference.
- Record
CVE-2008-0852- Updated
- 2026-11-02
EUVDEUVD-2008-0859 No score
freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which triggers a NULL pointer dereference.
- Record
EUVD-2008-0859- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w44x-2qh4-v8w9 No score
freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a...
freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which triggers a NULL pointer dereference.
- Record
GHSA-w44x-2qh4-v8w9- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | freeSSHd 1.2 - 'SSH2_MSG_NEWKEYS' Remote Denial of Service | 2008-02-17 |
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-2008-0852 is a medium vulnerability (CVSS 5.0) in Freesshd, published February 21, 2008. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.23%, the 93rd percentile. No source names a fixed version.