CVE-2026-15712: Soupclientmessageiohttp2: libsoup3: libsoup: http/2 goaway frame parsing heap buffer over-read via invalid nul-termination assumption

Overview

Severity

Medium (CVSS 5.9)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-17

Last Updated

2026-09-24

EPSS Score

0.50% (percentile: 41.2%)

Affected Products (2)

Other

• 21478-17084
• 21895-17084

Revision History

• 2026-07-17: Information published.
• 2026-09-13: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-09-24: Information published.