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Red Hat Enterprise Linux 10 EUVD-2026-16342

| CVE-2026-2436 MEDIUM
Expired Pointer Dereference (CWE-825)
2026-03-26 redhat GHSA-wpfw-5xvc-wq9w
Denial Of Service Red Hat Enterprise Linux 10 Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 9
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Ubuntu
MEDIUM
qualitative
SUSE
8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat
6.5 MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 26, 2026 - 20:00 euvd
EUVD-2026-16342
Analysis Generated
Mar 26, 2026 - 20:00 vuln.today
CVE Published
Mar 26, 2026 - 19:31 nvd
MEDIUM 6.5

DescriptionCVE.org

A flaw was found in libsoup's SoupServer. A remote attacker could exploit a use-after-free vulnerability where the soup_server_disconnect() function frees connection objects prematurely, even if a TLS handshake is still pending. If the handshake completes after the connection object has been freed, a dangling pointer is accessed, leading to a server crash and a Denial of Service.

AnalysisAI

libsoup's SoupServer contains a use-after-free vulnerability in the soup_server_disconnect() function that prematurely frees connection objects while TLS handshakes are pending, allowing remote unauthenticated attackers to trigger a server crash via denial of service when a handshake completes after memory deallocation. The vulnerability affects Red Hat Enterprise Linux versions 6, 7, 8, 9, and 10, as well as Ubuntu and Debian distributions across multiple releases. …

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Vulnerability AssessmentAI

Risk Assessment The CVSS 3.1 score of 6.5 reflects moderate severity with a network attack vector (AV:N), high attack complexity (AC:H), no privilege requirements (PR:N), and no user interaction needed (UI:N). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker sends multiple concurrent TLS connection requests to a libsoup-based server. When the server begins terminating one connection via soup_server_disconnect(), the function immediately frees the associated connection object without waiting for the TLS handshake to complete. …
Remediation Apply the vendor-released security update for libsoup when available from your distribution maintainer. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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Vendor StatusVendor

Ubuntu

Priority: Medium
libsoup2.4
Release Status Version
xenial needs-triage -
bionic needs-triage -
focal needs-triage -
jammy needs-triage -
noble needs-triage -
questing needs-triage -
upstream needs-triage -
libsoup3
Release Status Version
jammy needs-triage -
noble needs-triage -
questing needs-triage -
upstream needs-triage -

Debian

Bug #1130498
libsoup2.4
Release Status Fixed Version Urgency
bullseye vulnerable 2.72.0-2 -
bullseye (security) vulnerable 2.72.0-2+deb11u3 -
bookworm vulnerable 2.74.3-1+deb12u1 -
trixie vulnerable 2.74.3-10.1 -
(unstable) fixed (unfixed) -
libsoup3
Release Status Fixed Version Urgency
bookworm vulnerable 3.2.3-0+deb12u2 -
trixie vulnerable 3.6.5-3 -
forky, sid vulnerable 3.6.6-1 -
(unstable) fixed (unfixed) -

SUSE

Severity: High
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise Micro 5.2 Fixed

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EUVD-2026-16342 vulnerability details – vuln.today
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