The Libreswan Project

10 CVEs across 1 The Libreswan Project products. Browse The Libreswan Project vulnerabilities, severities, and proof-of-concept exploits.

The Libreswan Project products with known CVEs

ProductCVEs
Libreswan10
The Libreswan Project CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-94453High7.52026-10-13Libreswan's pluto daemon has a use-after-free vulnerability when a client connecting using IKE over TCP closes the connection and another packet (retransmit or…
CVE-2026-77207High7.52026-10-13Libreswan has a null pointer dereference bug in the PKCS#7 handling code for IKE certificate authentication. When libreswan decodes an IKE CERT payload of type…
CVE-2026-77206High7.52026-10-13Libreswan's IKEv2 state machine has a null pointer dereference bug in the EAP handling code for authentication. As a result of inconsistency within the IKEv2 s…
CVE-2026-77205Low3.72026-10-13Libreswan in FIPS mode has a vulnerability where badly formed received certificates are rejected, but not deleted from the NSS cache. As a result, any real cer…
CVE-2026-14957High7.52026-09-02In FIPS mode, Libreswan's add_decoded_cert() function calls CERT_ExtractPublicKey() and asserts that the result is not NULL. However, CERT_ExtractPublicKey() r…
CVE-2026-50722High8.12026-07-02Libreswan, via the function RSA_authenticate_hash_signature_pkcs1_1_5_rsa(), did not correctly verify the DER encoding of the ASN.1 digest when the IKEv2 AUTH…
CVE-2026-50721High8.12026-07-02Libreswan, via the function RSA_authenticate_hash_signature_raw_rsa(), did not correctly verify the length of the authentication hash when the SIG payload of a…
CVE-2026-12413High7.52026-07-02An invalidly formatted IKEv2 fragment causes the Libreswan pluto daemon to crash and restart. Continued exploitation would cause a denial of service. The funct…
CVE-2020-1763High7.52020-05-12An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this fla…
CVE-2019-10155Low3.12019-06-12The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the…