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CVE-2026-2369

30
FAUCET Score

CVE-2026-2369 identifies an integer underflow vulnerability within the libsoup library, triggered when processing content with a zero-length resource, which results in a buffer overread. This flaw carries a Medium CVSS score of 6.5 and can be exploited remotely with low attack complexity and no user interaction. A successful exploit could lead to low impact on confidentiality by allowing access to sensitive information, or cause an application-level denial of service. Currently, there is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit or ExploitDB. However, the vulnerability has received some community discussion and media coverage, primarily through security advisories from vendors like SUSE, indicating that patches are being issued.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:gnome:libsoup:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 11th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (14)

microsoftpatch availablevia msrc
Product: cbl2 libsoup 3.0.4-13 on CBL Mariner 2.0Fixed in: 3.0.4-14
microsoftpatch availablevia msrc
Product: 20958-17084Fixed in: 3.4.4-14
microsoftpatch availablevia msrc
Product: 21112-17084Fixed in: 3.4.4-14
microsoftpatch availablevia msrc
Product: 21115-17086Fixed in: 3.0.4-14
microsoftpatch availablevia msrc
Product: azl3 libsoup 3.4.4-12 on Azure Linux 3.0Fixed in: 3.4.4-14
microsoftpatch availablevia msrc
Product: azl3 libsoup 3.4.4-14 on Azure Linux 3.0Fixed in: 3.4.4-14
ubuntupatch availablevia ubuntu_usn
Product: libsoup2.4 (xenial)Fixed in: 2.52.2-1ubuntu0.3+esm6
ubuntupatch availablevia ubuntu_usn
Product: libsoup2.4 (noble)Fixed in: 2.74.3-6ubuntu1.7
ubuntupatch availablevia ubuntu_usn
Product: libsoup2.4 (bionic)Fixed in: 2.62.1-1ubuntu0.4+esm7
ubuntupatch availablevia ubuntu_usn
Product: libsoup2.4 (focal)Fixed in: 2.70.0-1ubuntu0.5+esm2
ubuntupatch availablevia ubuntu_usn
Product: libsoup2.4 (jammy)Fixed in: 2.74.2-3ubuntu0.7
ubuntupatch availablevia ubuntu_usn
Product: libsoup2.4 (questing)Fixed in: 2.74.3-10.1ubuntu4.1
ubuntupatch availablevia ubuntu_usn
Product: libsoup2.4 (resolute)Fixed in: 2.74.3-10.1ubuntu5+esm1
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: libsoup3

Vendor Advisories (3)

ubuntuUSN-8523-1

libsoup vulnerabilities

Jul 9, 2026
microsoft2026-Mar/CVE-2026-2369Moderate

Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources

Mar 10, 2026
redhatCVE-2026-2369Moderate

libsoup: libsoup: Buffer overread due to integer underflow when handling zero-length resources

Feb 11, 2026

References

access.redhat.com / security/cve/CVE-2026-2369
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
gitlab.gnome.org / GNOME/libsoup/-/issues/498
Issue TrackingPatch