HOMEVULNERABILITIESCVE-2009-1270
HIGH

CVE-2009-1270

CWE-835Published: April 8, 2009· Updated: Jun 16, 2026

7.8
CVSS v3.1

Official Description

libclamav/untar.c in ClamAV before 0.95 allows remote attackers to cause a denial of service (infinite loop) via a crafted TAR file that causes (1) clamd and (2) clamscan to hang.

NVD Source

Technical Analysis

CVE-2009-1270 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
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
clamav1 product(s)
clamav
Debian1 product(s)
debian linux
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (26)

Quick Facts

CVE IDCVE-2009-1270
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-835
CISA KEVNo
Affected3 vendor(s)
PublishedApr 8, 2009

Related CVEs (CWE-835)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2009-1270 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.