HOMEVULNERABILITIESCVE-2009-1216
CRITICAL

CVE-2009-1216

NVD-CWE-noinfoPublished: April 1, 2009· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

Multiple unspecified vulnerabilities in (1) unlzh.c and (2) unpack.c in the gzip libraries in Microsoft Windows Server 2008, Windows Services for UNIX 3.0 and 3.5, and the Subsystem for UNIX-based Applications (SUA); as used in gunzip, gzip, pack, pcat, and unpack 7.x before 7.0.1701.48, 8.x before 8.0.1969.62, and 9.x before 9.0.3790.2076; allow remote attackers to execute arbitrary code via unknown vectors.

NVD Source

Technical Analysis

CVE-2009-1216 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

Microsoft4 product(s)
subsystem for unix-based applicationswindows services for unixwindows server 2008windows vista
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://secunia.com/advisories/34428
ADVISORYhttp://support.microsoft.com/kb/953602
ADVISORYhttp://www.vupen.com/english/advisories/2009/0849
ADVISORYhttp://secunia.com/advisories/34428
ADVISORYhttp://support.microsoft.com/kb/953602
ADVISORYhttp://www.vupen.com/english/advisories/2009/0849

All References (12)

→
http://secunia.com/advisories/34428Vendor Advisory
→
http://securitytracker.com/id?1021937
→
http://support.microsoft.com/kb/953602Vendor Advisory
→
http://www.securityfocus.com/bid/34258
→
http://www.vupen.com/english/advisories/2009/0849Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/49435
→
http://secunia.com/advisories/34428Vendor Advisory
→
http://securitytracker.com/id?1021937
→
http://support.microsoft.com/kb/953602Vendor Advisory
→
http://www.securityfocus.com/bid/34258
→
http://www.vupen.com/english/advisories/2009/0849Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/49435

Quick Facts

CVE IDCVE-2009-1216
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedApr 1, 2009

Related CVEs (NVD-CWE-noinfo)

CVE-2013-1489
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CVE-2013-0462
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CVE-2013-0840
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CVE-2012-6503
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CVE-2013-0842
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CVE-2012-1541
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2009-1216 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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