CVE-2006-5051
Signal handler race condition in OpenSSH before 4.4 allows remote attackers to cause a denial of service (crash), and possibly execute arbitrary code if GSSAPI authentication is enabled, via
02 Description
Signal handler race condition in OpenSSH before 4.4 allows remote attackers to cause a denial of service (crash), and possibly execute arbitrary code if GSSAPI authentication is enabled, via
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 45.58% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.7% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2006-09-27 23:00Z20 YR AGO
- Last updated
- 2024-08-07 19:32Z2 YR AGO
- Reserved
- 2006-09-27
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-415Double FreeVariant
- Data version
- 5.1
- Document digest
- 2121a4528815d6240532171bbf948c067bd9aa21641ee7f07411c994b95a14d2
05 Affected products
06 References
- security.freebsd.orgFreeBSD-SA-06:22http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc
- sourceforge.nethttp://sourceforge.net/forum/forum.php?forum_id=681763
- secunia.com22270http://secunia.com/advisories/22270
- www.arkoon.frhttp://www.arkoon.fr/upload/alertes/43AK-2006-09-FR-1.0_SSL360_OPENSSH.pdf
- www.ubuntu.comUSN-355-1http://www.ubuntu.com/usn/usn-355-1
- lists.freebsd.org[freebsd-security] 20061002 FreeBSD Security Advisory FreeBSD-SA-06:22.opensshhttp://lists.freebsd.org/pipermail/freebsd-security/2006-October/004051.html
- www.vmware.comhttp://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
- oval.cisecurity.orgoval:org.mitre.oval:def:11387https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11387
- openssh.orghttp://openssh.org/txt/release-4.4
- secunia.com24805http://secunia.com/advisories/24805
- www.kb.cert.orgVU#851340http://www.kb.cert.org/vuls/id/851340
- www.openbsd.org[2.9] 015: SECURITY FIX: October 12, 2006http://www.openbsd.org/errata.html#ssh
- secunia.com22487http://secunia.com/advisories/22487
- www.us-cert.govTA07-072Ahttp://www.us-cert.gov/cas/techalerts/TA07-072A.html
- www.arkoon.frhttp://www.arkoon.fr/upload/alertes/36AK-2006-07-FR-1.0_FAST360_OPENSSH.pdf
- security.gentoo.orgGLSA-200611-06http://security.gentoo.org/glsa/glsa-200611-06.xml
- www.novell.comSUSE-SA:2006:062http://www.novell.com/linux/security/advisories/2006_62_openssh.html
- secunia.com22362http://secunia.com/advisories/22362
- secunia.com23680http://secunia.com/advisories/23680
- lists.apple.comAPPLE-SA-2007-03-13http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
- docs.info.apple.comhttp://docs.info.apple.com/article.html?artnum=305214
- secunia.com22352http://secunia.com/advisories/22352
- www.vupen.comADV-2006-4329http://www.vupen.com/english/advisories/2006/4329
- secunia.com22236http://secunia.com/advisories/22236
- secunia.com24799http://secunia.com/advisories/24799
- www.vupen.comADV-2006-4018http://www.vupen.com/english/advisories/2006/4018
- secunia.com22495http://secunia.com/advisories/22495
- exchange.xforce.ibmcloud.comopenssh-signal-handler-race-condition(29254)https://exchange.xforce.ibmcloud.com/vulnerabilities/29254
- www.securityfocus.com20241http://www.securityfocus.com/bid/20241
- www.vupen.comADV-2007-1332http://www.vupen.com/english/advisories/2007/1332
- www.osvdb.org29264http://www.osvdb.org/29264
- secunia.com22823http://secunia.com/advisories/22823
- ftp.freebsd.orgFreeBSD-SA-06:22.opensshftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc
- slackware.comSSA:2006-272-02http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566
- www.redhat.comRHSA-2006:0697http://www.redhat.com/support/errata/RHSA-2006-0697.html
- www.openpkg.orgOpenPKG-SA-2006.022http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html
- secunia.com22183http://secunia.com/advisories/22183
- marc.info[openssh-unix-dev] 20060927 Announce: OpenSSH 4.4 releasedhttp://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2
- www.vupen.comADV-2007-0930http://www.vupen.com/english/advisories/2007/0930
- www-unix.globus.org[security-announce] 20070409 Globus Security Advisory 2007-02: GSI-OpenSSH vulnerabilityhttp://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html
- secunia.com22926http://secunia.com/advisories/22926
- secunia.com22173http://secunia.com/advisories/22173
- securitytracker.com1016940http://securitytracker.com/id?1016940
- secunia.com22208http://secunia.com/advisories/22208
- www.vmware.comhttp://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
- secunia.com22245http://secunia.com/advisories/22245
- patches.sgi.com20061001-01-Pftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
- secunia.com22196http://secunia.com/advisories/22196
- www.debian.orgDSA-1212http://www.debian.org/security/2006/dsa-1212
- www.redhat.comRHSA-2006:0698http://www.redhat.com/support/errata/RHSA-2006-0698.html
- secunia.com22158http://secunia.com/advisories/22158
- www.mandriva.comMDKSA-2006:179http://www.mandriva.com/security/advisories?name=MDKSA-2006:179
- www.debian.orgDSA-1189http://www.debian.org/security/2006/dsa-1189
- support.avaya.comhttp://support.avaya.com/elmodocs2/security/ASA-2006-216.htm
- secunia.com24479http://secunia.com/advisories/24479
- www.openwall.com[oss-security] 20240701 CVE-2024-6387: RCE in OpenSSH's server, on glibc-based Linux systemshttp://www.openwall.com/lists/oss-security/2024/07/01/3
- www.openwall.com[oss-security] 20240728 Re: Announce: OpenSSH 9.8 releasedhttp://www.openwall.com/lists/oss-security/2024/07/28/3
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2024/07/28/3
07 Fixed in
Debian 12
- openssh Fixed in 1:4.6p1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssh Fixed in 1:4.6p1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssh Fixed in 1:4.6p1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.