CVE-2008-0852

MEDIUM 5.0CVE-2008-0852 · Published 21/02/2008 · updated 16/06/2026

In short

CVE-2008-0852 is a MEDIUM (CVSS 5.0) vulnerability affecting freesshd (freesshd).
Chance of exploitation in the next 30 days (EPSS): 6.2%, higher than 93.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
freesshd freesshd	`≤ 1.2`	No fix yet

Description

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.

References

aluigi.altervista.org/adv/freesshdnull-adv.txt
secunia.com/advisories/29002 · Vendor Advisory
securityfocus.com/archive/1/488363/100/0/threaded
securityfocus.com/bid/27845 · Exploit
vupen.com/english/advisories/2008/0591

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