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Unscored USN-5111-1 2 CVEs

strongswan vulnerabilities

Published Oct 19, 2021 · Updated Apr 27, 2026

Summary

It was discovered that strongSwan incorrectly handled certain RSASSA-PSS
signatures. A remote attacker could use this issue to cause strongSwan to
crash, resulting in a denial of service. (CVE-2021-41990)

It was discovered that strongSwan incorrectly handled replacing
certificates in the cache. A remote attacker could use this issue to cause
strongSwan to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2021-41991)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS strongswan 5.6.2-1ubuntu2.7
Ubuntu · 20.04 LTS 20.04:LTS strongswan 5.8.2-1ubuntu3.3

Vulnerabilities 2

References

  • report
    https://ubuntu.com/security/CVE-2021-41990
  • report
    https://ubuntu.com/security/CVE-2021-41991