CVE-2025-46784CWE-401

CVE-2025-46784

High · published November 5, 2025

CVSS v3.1
7.5
EPSS
1%
Percentile
49.8
In the wild
Unconfirmed
What it is

⚡ A crafted SAML response is all an attacker needs to trigger a denial of service in Entr'ouvert Lasso 2.5.1! This means a single message could bring your service to its knees! Think of it like a jammed printer. One bad document can cause a massive backlog, halting all printing jobs and leaving everyone waiting. In the same way, a malformed SAML response can exhaust memory resources and disrupt service. If exploited, your application could experience downtime, making it utterly inaccessible to users. An attacker can create a memory depletion situation, leading to service outages that could cost businesses both time and money. It's frustrating when things get bogged down, especially when a single bad file can do it!

Put simply

Think of it like a jammed printer. One bad document can cause a massive backlog, halting all printing jobs and leaving everyone waiting. In the same way, a malformed SAML response can exhaust memory resources and disrupt service. This vulnerability allows an attacker to craft a malicious SAML response that targets the lasso_node_init_from_message_with_format function, causing significant memory depletion and ultimately leading to a denial of service condition.

What to do

If exploited, your application could experience downtime, making it utterly inaccessible to users. An attacker can create a memory depletion situation, leading to service outages that could cost businesses both time and money. It's frustrating when things get bogged down, especially when a single bad file can do it! To protect against this vulnerability, it's crucial to update Entr'ouvert Lasso to the latest version immediately. Additionally, consider implementing input validation checks on SAML responses to catch any malformed data before it reaches your application. You've got this! With these steps, you'll be one step closer to securing your service and keeping it running smoothly. 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00636 · 49.8th percentile
Weakness
CWE-401 · Missing Release of Memory after Effective Lifetime
Published
2025-11-05T20:15Z
Affected products (1)
ProductVersionsFixed in
entrouvert/lassoall versions—
References (2)
EPSS history
Timeline
  • 05 NOV 14:56Z
    A denial of service vulnerability exists in the lasso_node_init_from_message_with_format functionality of Entr'ouvert Lasso 2.5.1
    cvelistv5