CVE-2026-77014

Medium

Description

A flaw was found in libsoup's SoupServer HTTP Range header processing. The sort_ranges() comparator in soup-message-headers.c truncates a 64-bit subtraction result to 32-bit int, flipping the sign for range offsets differing by more than INT_MAX. This causes silent omission of requested byte ranges from HTTP 206 Partial Content responses on resources larger than approximately 2 GB.

SeverityMedium
CVSS5.3
Exploit probability—
ProductRed Hat Enterprise Linux 10
PublishedAug 20, 2026
First seenAug 20, 2026
Weakness typeCWE-197CWE-197

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Red Hat Red Hat Enterprise Linux 10No range specified—
Red Hat Red Hat Enterprise Linux 6No range specified—
Red Hat Red Hat Enterprise Linux 7No range specified—
Red Hat Red Hat Enterprise Linux 8No range specified—
Red Hat Red Hat Enterprise Linux 9No range specified—
Red Hat Red Hat OpenShift Container Platform 4No range specified—

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