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CVE-2009-1371

17
FAUCET Score

CVE-2009-1371 describes a denial-of-service vulnerability in ClamAV versions prior to 0.95.1. A remote attacker can crash the application by submitting a specially crafted file utilizing UPack encoding. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having a low attack complexity, leading to a partial denial of service. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.95CPE matchmatch criteria
cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*
0.01CPE matchmatch criteria
cpe:2.3:a:clamav:clamav:0.01:*:*:*:*:*:*:*
0.02CPE matchmatch criteria
cpe:2.3:a:clamav:clamav:0.02:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:clamav:clamav:0.3:*:*:*:*:*:*:*
0.03CPE matchmatch criteria
cpe:2.3:a:clamav:clamav:0.03:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.42%
Probability of exploitation in next 30 days
EPSS Percentile
87.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0342 is in the 83rd percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-1371

clamav: security fixes in upstream 0.95.1 (CVE-2009-1371, CVE-2009-1372)

References

lists.apple.com / archives/security-announce/2009/Sep/msg00004.html
osvdb.org / 53602
secunia.com / advisories/34612
Vendor Advisory
secunia.com / advisories/34654
Vendor Advisory
secunia.com / advisories/34716
secunia.com / advisories/36701
launchpad.net / bugs/360502
support.apple.com / kb/HT3865
svn.clamav.net / websvn/filedetails.php
wwws.clamav.net / bugzilla/show_bug.cgi
debian.org / security/2009/dsa-1771
mandriva.com / security/advisories
securityfocus.com / bid/34446
Patch
securitytracker.com / id
ubuntu.com / usn/usn-756-1
vupen.com / english/advisories/2009/0985
PatchVendor Advisory