CVE-2011-2939 describes an off-by-one error in the Encode module (before version 2.44), specifically within the decode_xs function in Unicode/Unicode.xs, as used by Perl before version 5.15.6. This vulnerability could allow an unauthenticated, remote attacker to cause a denial of service through memory corruption via a crafted Unicode string, leading to a heap-based buffer overflow. The severity is rated as medium (CVSS 5.1) due to the high attack complexity and potential for partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.43CPE matchmatch criteria | cpe:2.3:a:dan_kogai:encode_module:*:*:*:*:*:*:*:* | ||
0.93CPE matchmatch criteria | cpe:2.3:a:dan_kogai:encode_module:0.93:*:*:*:*:*:*:* | ||
0.94CPE matchmatch criteria | cpe:2.3:a:dan_kogai:encode_module:0.94:*:*:*:*:*:*:* | ||
0.95CPE matchmatch criteria | cpe:2.3:a:dan_kogai:encode_module:0.95:*:*:*:*:*:*:* | ||
0.96CPE matchmatch criteria | cpe:2.3:a:dan_kogai:encode_module:0.96:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:H/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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.