CVE-2026-66337: Libsoup: libsoup: heap buffer over-read via integer underflow in soup_filter_input_stream_read_until()

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/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Aug
Released
2026-08-07
EPSS Score
0.23% (percentile: 13.7%)

Affected Products (1)

Open Source Software

  • azl3 libsoup 3.4.4-16 on Azure Linux 3.0

Revision History

  • 2026-08-07: Information published.