CVE-2011-2721 describes an off-by-one error in the libclamav library within ClamAV versions prior to 0.97.2. This vulnerability allows remote attackers to trigger a denial of service (daemon crash) through specially crafted email messages during hash calculations. With a CVSS score of 5.0, it is a medium-severity vulnerability that can be exploited over the network with low attack complexity, resulting in a denial of service without impacting confidentiality or integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.97.1CPE 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 version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
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.
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.