Package "strongswan"

  strongswan (6.0.4-1ubuntu3) resolute-security; urgency=medium

  * SECURITY UPDATE: Infinite Loop When Handling Supported Versions TLS
    Extension
    - debian/patches/CVE-2026-35328.patch: prevent infinite loop if
      supported versions are too short in src/libtls/tls_server.c.
    - CVE-2026-35328
  * SECURITY UPDATE: NULL-Pointer Dereference When Processing Padding in
    PKCS#7
    - debian/patches/CVE-2026-35329.patch: avoid NULL pointer dereference
      when verifying padding in src/libstrongswan/crypto/pkcs5.c,
      src/libstrongswan/plugins/pkcs7/pkcs7_enveloped_data.c.
    - CVE-2026-35329
  * SECURITY UPDATE: Integer Underflow When Handling EAP-SIM/AKA Attributes
    - debian/patches/CVE-2026-35330.patch: reject zero-length EAP-SIM/AKA
      attributes in src/libsimaka/simaka_message.c.
    - CVE-2026-35330
  * SECURITY UPDATE: Accepting Certificates Violating Name Constraints
    - debian/patches/CVE-2026-35331.patch: case-insensitive matching and
      reject excluded DN name constraints in
      src/libstrongswan/plugins/constraints/constraints_validator.c,
      src/libstrongswan/tests/suites/test_certnames.c.
    - CVE-2026-35331
  * SECURITY UPDATE: NULL-Pointer Dereference When Handling ECDH Public
    Value in TLS
    - debian/patches/CVE-2026-35332.patch: only accept non-empty ECDH
      public keys with TLS < 1.3 in src/libtls/tls_server.c.
    - CVE-2026-35332
  * SECURITY UPDATE: Integer Underflow When Handling RADIUS Attributes
    - debian/patches/CVE-2026-35333.patch: reject undersized attributes in
      enumerator in src/libradius/radius_message.c.
    - CVE-2026-35333
  * SECURITY UPDATE: Possible NULL-Pointer Dereference in RSA Decryption
    - debian/patches/CVE-2026-35334.patch: avoid crash and timing leaks in
      PKCS#1 v1.5 decryption padding validation in
      src/libstrongswan/plugins/gmp/gmp_rsa_private_key.c,
      src/libstrongswan/utils/utils.h,
      src/libstrongswan/utils/utils/constant_time.h.
    - CVE-2026-35334

 -- Marc Deslauriers <email address hidden> Fri, 17 Apr 2026 15:38:48 -0400