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USN-7872-1: Lasso vulnerabilities

USN-7872-1: Lasso vulnerabilities

Ubuntu • November 18, 2025

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. ( CVE-2025-46404 ) It was discovered that Lasso incorrectly handled certain malformed SAML assertion responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. ( CVE-2025-46705 ) It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to consume memory, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2025-46784 ) It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could use this issue to cause Lasso to...

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. ( CVE-2025-46404 )

It was discovered that Lasso incorrectly handled certain malformed SAML assertion responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. ( CVE-2025-46705 )

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to consume memory, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2025-46784 )

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could use this issue to cause Lasso to...

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. ( CVE-2025-46404 ) It was discovered that Lasso incorrectly handled certain malformed SAML assertion responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. ( CVE-2025-46705 ) It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to consume memory, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2025-46784 ) It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could use this issue to cause Lasso to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2025-47151 )

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. ( CVE-2025-46404 )

It was discovered that Lasso incorrectly handled certain malformed SAML assertion responses. A remote attacker could possibly use this issue to cause Lasso to crash, resulting in a denial of service. ( CVE-2025-46705 )

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could possibly use this issue to cause Lasso to consume memory, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. ( CVE-2025-46784 )

It was discovered that Lasso incorrectly handled certain malformed SAML responses. A remote attacker could use this issue to cause Lasso to crash, resulting in a denial of service, or possibly execute arbitrary code. ( CVE-2025-47151 )

In general, a standard system update will make all the necessary changes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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