CVE-2026-2369
Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources
Description
A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service.
INFO
Published Date :
March 19, 2026, 3:16 p.m.
Last Modified :
April 28, 2026, 9:29 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 53f830b8-0a3f-465b-8143-3b8a9948e749 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update libsoup to the latest version.
- Apply vendor patches when available.
- Validate input data for zero-length resources.
- Monitor for sensitive information disclosure.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-2369.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-2369 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2439091 | Issue Tracking Third Party Advisory |
| https://gitlab.gnome.org/GNOME/libsoup/-/issues/498 | Issue Tracking Patch |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2369 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-2369
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2369 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2369 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 28, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:gnome:libsoup:-:*:*:*:*:*:*:* Added Reference Type Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-2369 Types: Third Party Advisory Added Reference Type Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2439091 Types: Issue Tracking, Third Party Advisory Added Reference Type Red Hat, Inc.: https://gitlab.gnome.org/GNOME/libsoup/-/issues/498 Types: Issue Tracking, Patch -
New CVE Received by [email protected]
Mar. 19, 2026
Action Type Old Value New Value Added Description A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L Added CWE CWE-191 Added Reference https://access.redhat.com/security/cve/CVE-2026-2369 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2439091 Added Reference https://gitlab.gnome.org/GNOME/libsoup/-/issues/498