Vulnerability · Published Nov 5, 2025 · Assigned by talos

CVE-2025-46705

High 7.5

In plain English

A high-severity security flaw in Lasso from Entr'ouvert. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 50.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A denial of service vulnerability exists in the g_assert_not_reached functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML assertion response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12lasso2.8.1-1+deb12u1DSA-6058-1
Debian:12lasso2.8.1-1+deb12u1DEBIAN-CVE-2025-46705
Debian:13lasso2.8.2-9+deb13u1DSA-6058-1
Debian:13lasso2.8.2-9+deb13u1DEBIAN-CVE-2025-46705
Debian:14lasso2.9.0-1DEBIAN-CVE-2025-46705
Ubuntu:22.04:LTSlasso2.7.0-2ubuntu0.1USN-7872-1
Ubuntu:22.04:LTSlasso2.7.0-2ubuntu0.1UBUNTU-CVE-2025-46705
Ubuntu:24.04:LTSlasso2.8.2-2ubuntu0.1UBUNTU-CVE-2025-46705
Ubuntu:24.04:LTSlasso2.8.2-2ubuntu0.1USN-7872-1

Affected products (as reported)

VendorProductVersions
Entr'ouvert Lasso 2.5.12.8.2

Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References