stunnel vulnerabilities (Debian)

4 vulnerabilities.

• stunnel Debian Stunnel: stack-based out-of-bounds read/write in stunnel s_vlog via oversized log message CVE-2026-70368 Fix available 6.5 MediumAugust 4, 2026
• stunnel Debian Stunnel: ssrf bypass in stunnel socks proxy via ipv4-mapped ipv6 loopback and unspecified addresses allows access to loopback-only services CVE-2026-70367 Fix available 5.4 MediumAugust 4, 2026
• stunnel Debian Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(),... CVE-2003-0740 Public exploitFix available 4.6 MediumSeptember 4, 2003
• stunnel Debian stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD... CVE-2002-1563 Fix available 1.2 LowApril 26, 2003