CVE-2016-2196 describes a critical heap-based buffer overflow vulnerability in the P-521 reduction function of Botan 1.11.x versions prior to 1.11.27. This flaw allows remote attackers to trigger a denial of service or potentially execute arbitrary code. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.11.0CPE matchmatch criteria | cpe:2.3:a:botan_project:botan:1.11.0:*:*:*:*:*:*:* | ||
1.11.1CPE matchmatch criteria | cpe:2.3:a:botan_project:botan:1.11.1:*:*:*:*:*:*:* | ||
1.11.2CPE matchmatch criteria | cpe:2.3:a:botan_project:botan:1.11.2:*:*:*:*:*:*:* | ||
1.11.3CPE matchmatch criteria | cpe:2.3:a:botan_project:botan:1.11.3:*:*:*:*:*:*:* | ||
1.11.4CPE matchmatch criteria | cpe:2.3:a:botan_project:botan:1.11.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.