CVE-2006-4925

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 87.6%
KEV: Not listed

Published

September 29, 2006

Last Modified

April 23, 2026

References (28)

secalert@redhathttp://bugs.gentoo.org/show_bug.cgi?id=148228
secalert@redhathttp://secunia.com/advisories/22245
secalert@redhathttp://secunia.com/advisories/22298
secalert@redhathttp://secunia.com/advisories/22495
secalert@redhathttp://secunia.com/advisories/23038
secalert@redhathttp://www.mandriva.com/security/advisories?name=MDKSA-2006:179
secalert@redhathttp://www.novell.com/linux/security/advisories/2006_24_sr.html
secalert@redhathttp://www.novell.com/linux/security/advisories/2006_62_openssh.html
secalert@redhathttp://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.144&r2=1.145&f=h
secalert@redhathttp://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html
secalert@redhathttp://www.securityfocus.com/archive/1/447153/100/0/threaded
secalert@redhathttp://www.securityfocus.com/archive/1/447861/100/200/threaded
secalert@redhathttps://issues.rpath.com/browse/RPL-661
secalert@redhathttps://issues.rpath.com/browse/RPL-681
af854a3a-2127-422b-91ae-364da2661108http://bugs.gentoo.org/show_bug.cgi?id=148228

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 00:13 UTCOSV refresh
2026-05-26 13:41 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
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2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2006-4925?

CVE-2006-4925 is a none vulnerability published on September 29, 2006. 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.

When was CVE-2006-4925 disclosed?

CVE-2006-4925 was first published in the National Vulnerability Database on September 29, 2006, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2006-4925 actively exploited?

CVE-2006-4925 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2006-4925?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-4925, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2006-4925

📅 Published

🔄 Last Modified

🔗 References (28)