# CVE-2025-46784: lasso: A denial of service vulnerability exists in the lasso_node_init_from_message_with_format functionality of Entr'ou...

CVE-2025-46784 is fixed in 4 products on 1 platform, first by liblasso-perl 2.7.0-2ubuntu0.1, released November 5, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-46784
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0064
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 5, 2025

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | lasso Debian 12.15 (bookworm) | 2.8.1-1 | [DEBIAN-CVE-2025-46784](https://patchblox.com/security/data/fix/linux/debian-cve-2025-46784.md) | Nov 5, 2025 |
| Linux | lasso Debian 13.5 (trixie) | 2.8.1-1 | [DEBIAN-CVE-2025-46784](https://patchblox.com/security/data/fix/linux/debian-cve-2025-46784.md) | Nov 5, 2025 |
| Linux | lasso Debian 14 | 2.8.1-1 | [DEBIAN-CVE-2025-46784](https://patchblox.com/security/data/fix/linux/debian-cve-2025-46784.md) | Nov 5, 2025 |
| Linux | liblasso-perl Ubuntu 22.04.1 LTS (jammy) | 2.7.0-2ubuntu0.1 | [liblasso-perl 2.7.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-liblasso-perl-2.7.0-2ubuntu0.1.md) | Nov 5, 2025 |
| Linux | liblasso3 Ubuntu 22.04.1 LTS (jammy) | 2.7.0-2ubuntu0.1 | [liblasso3 2.7.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-liblasso3-2.7.0-2ubuntu0.1.md) | Nov 5, 2025 |
| Linux | python3-lasso Ubuntu 22.04.1 LTS (jammy) | 2.7.0-2ubuntu0.1 | [python3-lasso 2.7.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-lasso-2.7.0-2ubuntu0.1.md) | Nov 5, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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