CVE-2023-6936 is a critical buffer over-read vulnerability affecting wolfSSL versions prior to 5.6.6 when the WOLFSSL_CALLBACKS debugging flag is enabled. A malicious TLS client or network attacker can exploit this to trigger a 5-byte heap over-read. This vulnerability carries a CVSS score of 9.1 (CRITICAL) due to its network-based attack vector, low attack complexity, and high potential for confidentiality and availability impact. There is currently 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, <= 5.6.5CPE match | cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* | ||
< 5.6.6CPE matchmatch criteria | cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
No social media mentions found for this CVE.
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.