Get real-time updates on Telegram
P4
CVE-2026-12413: libreswan from 4.6 (inclusive), before 5.3.1 (exclusive), 4.6 through 5.3
CVE-2026-12413. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00598 (percentile 0.48318), scored 25-Oct-2026.
Affected technology
libreswan · from 4.6 (inclusive), before 5.3.1 (exclusive)
libreswan
libreswan · 4.6 through 5.3
The Libreswan Project
Component: Not specified by the source
Function: reassemble_v2_incoming_fragments
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
The source reports that an attacker could disrupt service. Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-193, CWE-617
- CCR priority
- 30.1 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.00598 · percentile 0.48318 · 2026-10-25
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-12413.html