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Vulnerability record · CVE-2025-46784 · published 5 November 2025

CVE-2025-46784: Entrouvert lasso memory leak vulnerability

EEntrouvert · Lasso

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.

7.5 CVSS 3.1 High EPSS 0.59% · top 53.8% CWE-401 · Memory leak
7.5CVSS 3.1 base score
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2195 ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2195 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-47151Entrouvert lasso type confusion vulnerabilityA type confusion vulnerability exists in the lasso_node_impl_init_from_xml functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafte…EPSS 1.1%7.5CVE-2025-46705Entrouvert lasso vulnerabilityA 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…EPSS 0.57%7.5CVE-2025-46404Entrouvert lasso null pointer dereference vulnerabilityA denial of service vulnerability exists in the lasso_provider_verify_saml_signature functionality of Entr'ouvert Lasso 2.5.1. A specially crafte…EPSS 0.59%7.5CVE-2021-28091Entrouvert lasso improper verification of cryptographic signature vulnerabilityLasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.EPSS 1.3%7.5CVE-2015-1783Fedoraproject fedora memory buffer overflow vulnerabilityThe prefix variable in the get_or_define_ns function in Lasso before commit 6d854cef4211cdcdbc7446c978f23ab859847cdd allows remote attackers to cause…EPSS 3.5%4.3CVE-2009-0050Entrouvert lasso improper input validation vulnerabilityLasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass valida…EPSS 1.3%3.3CVE-2023-26083Arm Mali GPU Kernel Driver memory leak exposes kernel metadataThe Arm Mali GPU kernel driver has a memory leak (CWE-401) across Midgard r6p0-r32p0, Bifrost r0p0-r42p0, Valhall r19p0-r42p0, and Avalon r41p0-r42p0…KEVEPSS 1.2%analysed8.6CVE-2018-0158Cisco IOS and IOS XE IKEv2 packet handling memory leak DoSCisco IOS and IOS XE mishandle certain IKEv2 packets, causing improper input validation that leaks memory. Repeated crafted packets drive continuous …KEVEPSS 7.2%analysed

Source: NIST National Vulnerability Database (record CVE-2025-46784), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.