CVE-2026-15713: Libsoup: soupcache: libsoup: http/2 frame window exhaustion remote denial of service via memory leak

Overview

Severity

Medium (CVSS 5.9)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-17

Last Updated

2026-09-24

EPSS Score

0.35% (percentile: 26.8%)

Affected Products (2)

Other

• 21478-17084
• 21895-17084

Revision History

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