Security Vulnerabilities - CVEs Published In 2026
libcharon in strongSwan 5.9.7 through 6.0.7 mishandles behavioral workflow in the IKEv2 state machine. Because CREATE_CHILD_SA requests are mishandled, there can be an authentication bypass.
CVSS Score
5.6
EPSS Score
0.004
Published
2026-09-11
libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in the IKE message parser.
CVSS Score
3.7
EPSS Score
0.004
Published
2026-09-11
strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.
CVSS Score
5.9
EPSS Score
0.004
Published
2026-09-11
strongSwan 4.2.0 through 6.0.7 has a NULL pointer dereference in the x509 plugin's attribute certificate parser.
CVSS Score
7.5
EPSS Score
0.003
Published
2026-09-11
strongSwan 4.2.0 through 6.0.7 has a missing release of memory after its effective lifetime in the x509 plugin's attribute certificate parser.
CVSS Score
3.7
EPSS Score
0.002
Published
2026-09-11
strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
CVSS Score
7.5
EPSS Score
0.003
Published
2026-09-11
libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling.
CVSS Score
7.5
EPSS Score
0.004
Published
2026-09-11
strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.
CVSS Score
7.1
EPSS Score
0.003
Published
2026-09-11
strongSwan 5.0.2 through 6.0.7 has an Expired Pointer Dereference in PKCS#7 parsing in the openssl plugin.
CVSS Score
5.9
EPSS Score
0.004
Published
2026-09-11
strongSwan 5.0.2 through 6.0.7 allows PKCS#7 certificate enumeration in the openssl plugin that leads to a lack of release of memory after its effective lifetime.
CVSS Score
3.7
EPSS Score
0.002
Published
2026-09-11