LI
Product
Libreswan
by Libreswan · last CVE Jul 2, 2026
24
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 9Medium 7Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2024-3652
6.5
1%
Apr 11
The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line
Affected: 3.22 before 4.15
CVE-2023-38712
6.5
1%
Aug 25
An issue was discovered in Libreswan 3.x and 4.x before 4.12
Affected: 3.0 before 4.0; 4.0 before 4.12
CVE-2023-38711
6.5
1%
Aug 25
An issue was discovered in Libreswan before 4.12
Affected: 4.6 before 4.12
CVE-2023-38710
6.5
1%
Aug 25
An issue was discovered in Libreswan before 4.12
Affected: 3.20 before 4.12
CVE-2023-23009
6.5
2%
Feb 21
Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length
Affected: 4.9
CVE-2026-50721
5.9
0%
Jul 2
IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload
Affected: before 5.3.1
CVE-2026-50722
5.9
0%
Jul 2
IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload
Affected: before 5.3.1
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