CVE-2026-70368: Stunnel: stack-based out-of-bounds read/write in stunnel s_vlog via oversized log message

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-07

EPSS Score

0.35% (percentile: 28.9%)

Affected Products (1)

Other

• 21673-17084

Revision History

• 2026-08-07: Information published.