Vulnerability · Published Nov 5, 2025 · Assigned by talos
CVE-2025-46784
High 7.5
In plain English
A high-severity memory leak 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 51% 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 49.3% 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 lasso_node_init_from_message_with_format functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | lasso | 2.8.1-1 | DEBIAN-CVE-2025-46784 |
| Debian:13 | lasso | 2.8.1-1 | DEBIAN-CVE-2025-46784 |
| Debian:14 | lasso | 2.8.1-1 | DEBIAN-CVE-2025-46784 |
| Ubuntu:22.04:LTS | lasso | 2.7.0-2ubuntu0.1 | USN-7872-1 |
| Ubuntu:22.04:LTS | lasso | 2.7.0-2ubuntu0.1 | UBUNTU-CVE-2025-46784 |
| Ubuntu:24.04:LTS | lasso | 2.8.2-2ubuntu0.1 | USN-7872-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Entr'ouvert | Lasso | 2.5.1 |
Weakness: CWE-401 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H