CVE-2026-2443

MEDIUM

Red Hat Enterprise Linux - Out-of-bounds Read via HTTP Range Header Processing

Title source: llm
STIX 2.1

Description

A flaw was identified in libsoup, a widely used HTTP library in GNOME-based systems. When processing specially crafted HTTP Range headers, the library may improperly validate requested byte ranges. In certain build configurations, this could allow a remote attacker to access portions of server memory beyond the intended response. Exploitation requires a vulnerable configuration and access to a server using the embedded SoupServer component.

References (3)

Core 3
Core References
Vendor Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-2443
Issue Tracking issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2439671

Scores

CVSS v3 5.3
EPSS 0.0043
EPSS Percentile 34.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (11)
gnome/libsoup
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0
redhat/enterprise_linux 9.0
... and 1 more
Published Feb 13, 2026
Tracked Since Feb 18, 2026