Lucene search
+L

librenswan: IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload

🗓️ 27 Jul 2026 03:46:32Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 13 Views

Libreswan IKE version two DoS via DER flaw in RSA signatures; attacker can crash daemon.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64libreswan4.15-10.el9_8libreswan-4.15-10.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lelibreswan4.15-10.el9_8libreswan-4.15-10.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xlibreswan4.15-10.el9_8libreswan-4.15-10.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64libreswan4.15-10.el9_8libreswan-4.15-10.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64libreswan-debuginfo4.15-10.el9_8libreswan-debuginfo-4.15-10.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lelibreswan-debuginfo4.15-10.el9_8libreswan-debuginfo-4.15-10.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xlibreswan-debuginfo4.15-10.el9_8libreswan-debuginfo-4.15-10.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64libreswan-debuginfo4.15-10.el9_8libreswan-debuginfo-4.15-10.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64libreswan-debugsource4.15-10.el9_8libreswan-debugsource-4.15-10.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lelibreswan-debugsource4.15-10.el9_8libreswan-debugsource-4.15-10.el9_8.ppc64le.rpm
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

17 Aug 2026 07:57Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.9 - 8.1
EPSS0.00346
SSVC
13