CVE-2026-15714: Libsoup: soupmultipartinputstream: libsoup: out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-17

Last Updated

2026-09-24

EPSS Score

0.39% (percentile: 31.5%)

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.