Integer Underflow Vulnerability in libsoup Affecting GNOME
CVE-2026-2369

6.5MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
19 March 2026

What is CVE-2026-2369?

A flaw exists in the libsoup library that results in an integer underflow when processing requests with zero-length resources. This vulnerability can lead to a buffer overread, allowing an attacker to potentially access sensitive information. Moreover, this condition can result in an application-level denial of service, compromising overall system stability and performance.

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References

https://access.redhat.com/security/cve/CVE-2026-2369
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2439091
issue-trackingx_refsource_REDHAT
https://gitlab.gnome.org/GNOME/libsoup/-/issues/498

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Eric Su and Samuel Dainard for reporting this issue.
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