CVE-2026-66337

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

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

Vulnerability Description

A flaw was found in libsoup. An unsigned integer underflow in the soup_filter_input_stream_read_until() function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client application to crash or disclose sensitive heap memory.

Vulnerability Details

Published Date

July 24, 2026

Last Modified

July 24, 2026

CWE ID

CWE-125

Source

NVD

Vendor

Red Hat

Product

Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9

External References

https://access.redhat.com/security/cve/CVE-2026-66337
https://bugzilla.redhat.com/show_bug.cgi?id=2506949

CVE-2026-66337

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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