Vulnerabilities CVE-2026-77014

CVE-2026-77014

Medium

Open

TLP:CLEAR

Libsoup: libsoup: integer truncation in sort_ranges() comparator causes silent omission of http range responses

NVD CVE.org

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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.

Details

CVSS Score: 5.3
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Confidence: 90%
Published: Aug 20, 2026
Last Modified: Aug 20, 2026

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