CVE-2006-4925 json
packet.c in ssh in OpenSSH allows remote attackers to cause a denial of service (crash) by sending an invalid protocol sequence with USERAU…
published 2006-09-29 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4912
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 15.0%
- EPSS 15.0% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
packet.c in ssh in OpenSSH allows remote attackers to cause a denial of service (crash) by sending an invalid protocol sequence with USERAUTH_SUCCESS before NEWKEYS, which causes newkeys[mode] to be NULL.
Patch / fix
- openssh Debian 14, Debian 13, Debian 12 1:5.1p1-5
debian advisories DEBIAN-CVE-2006-4925
Exploit prediction
15.03% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugs.gentoo.org http://bugs.gentoo.org/show_bug.cgi?id=148228 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
bugs.gentoo.org
/show_bug.cgi?id=148228
exploit, patch
-
novell.com
/linux/security/advisories/2006_24_sr.html
vendor-advisory
-
novell.com
/linux/security/advisories/2006_62_openssh.html
vendor-advisory
-
openpkg.org
/security/advisories/OpenPKG-SA-2006.022-openssh.html
vendor-advisory
-
mandriva.com
/security/advisories?name=MDKSA-2006:179
vendor-advisory
-
secunia.com
/advisories/23038
third-party-advisory
-
securityfocus.com
/archive/1/447861/100/200/threaded
mailing-list
- issues.rpath.com /browse/RPL-681
-
secunia.com
/advisories/22298
third-party-advisory
- openbsd.org /cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.144&r2=1.145&f=h
-
secunia.com
/advisories/22495
third-party-advisory
-
securityfocus.com
/archive/1/447153/100/0/threaded
mailing-list
-
secunia.com
/advisories/22245
third-party-advisory
- issues.rpath.com /browse/RPL-661
Sources
- CVE List CVE-2006-4925
- NVD CVE-2006-4925
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.