Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

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

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libsoup是libsoup团队开源的一个HTTP库。 libsoup存在缓冲区错误漏洞，该漏洞源于libsoup的多部分处理子系统中soup_multipart_input_stream_read_headers函数对传入的多部分边界字符串大小限制或验证不足，可能导致远程未经身份验证的攻击者通过处理特制HTTP响应造成越界读取，从而导致服务拒绝或读取未授权内存元数据片段。以下版本受到影响：Red Hat Enterprise Linux 10版本、Red Hat Enterprise Linux 8版

CVSS 6.5 · Medium EPSS 0.39% · P31

Affected Version Matrix 5

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any unknown
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-15714

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Libsoup: soupmultipartinputstream: libsoup: out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string
Source: CVE Program / CVE List V5
Vulnerability Description
An out-of-bounds read vulnerability was found in libsoup's multipart processing subsystem. The flaw exists in the soup_multipart_input_stream_read_headers() function inside soup-multipart-input-stream.c, which does not adequately restrict or validate the size of incoming multipart boundary strings. When processing a crafted HTTP response containing a malformed or oversized boundary parameter, the internal stream reader reads past the allocated buffer bounds. A remote, unauthenticated attacker can exploit this behavior to cause a service denial (DoS) through application failure or potentially read fragments of unauthorized memory metadata.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
libsoup 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libsoup是libsoup团队开源的一个HTTP库。 libsoup存在缓冲区错误漏洞，该漏洞源于libsoup的多部分处理子系统中soup_multipart_input_stream_read_headers函数对传入的多部分边界字符串大小限制或验证不足，可能导致远程未经身份验证的攻击者通过处理特制HTTP响应造成越界读取，从而导致服务拒绝或读取未授权内存元数据片段。以下版本受到影响：Red Hat Enterprise Linux 10版本、Red Hat Enterprise Linux 8版
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-15714

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-15714

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-15714 (1)

Vendor Advisories for CVE-2026-15714 (2)

Same Patch Batch · Red Hat · 2026-07-14 · 6 CVEs total

CVE-2026-15711 7.5 HIGH Libsoup: soupwebsocketconnection: libsoup: websocket remote denial of service via oversize
CVE-2026-15709 7.5 HIGH Soupwebsocketextensiondeflate: libsoup: libsoup: websocket permessage-deflate unbounded de
CVE-2026-15713 5.9 MEDIUM Libsoup: soupcache: libsoup: http/2 frame window exhaustion remote denial of service via m
CVE-2026-15712 5.9 MEDIUM Soupclientmessageiohttp2: libsoup3: libsoup: http/2 goaway frame parsing heap buffer over-
CVE-2026-12478 4.8 MEDIUM Libsoup: incomplete fix for cve-2026-0716: out-of-bounds read in libsoup websocket frame p

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-125

V. Comments for CVE-2026-15714

No comments yet

Leave a comment