Debian/libreswan: medium 5.9
Libreswan, via the function RSA_authenticate_hash_signature_raw_rsa(), did not correctly verify the length of the authentication hash when the SIG payload of an IKEv1 packet was encoded using PKCS #1
Action: Upgrade libreswan to 5.2-2.5 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.2-2.5 | - |
Fixed versions
| 5.2-2.5 |
Sources
- osv: DEBIAN-CVE-2026-50721#Debian:14/libreswan
- https://security-tracker.debian.org/tracker/CVE-2026-50721
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