Name: CVE-2026-55995: Double Free
Creator: Rapid7
Published: 2026-07-29T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-55995, CWE-415, CVSS 8.7, EPSS 0.00252

A Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS.

This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb.

CVSS Details

CVSS 4.0 Base Score: 8.7 (HIGH)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade isns-utils-libsUpgrade isns-utils-develUpgrade isns-utils	Oct 11, 2026	Aug 11, 2026
Amazon_linux_2023	—	Upgrade isns-utils-libsUpgrade isns-utils-develUpgrade isns-utilsUpgrade isns-utils-debuginfoUpgrade isns-utils-libs-debuginfoUpgrade isns-utils-debugsource	Aug 18, 2026	Jul 29, 2026
Redhat_linux	—	Upgrade isns-utils-debuginfoUpgrade isns-utils-debugsourceUpgrade isns-utils-libsUpgrade isns-utils-libs-debuginfoUpgrade isns-utils-develUpgrade isns-utils	Jul 31, 2026	Jul 29, 2026
Rocky_linux	—	Upgrade isns-utils-develUpgrade isns-utils-libs-debuginfoUpgrade isns-utilsUpgrade isns-utils-libsUpgrade isns-utils-debuginfoUpgrade isns-utils-debugsource	Aug 13, 2026	Aug 12, 2026
Ubuntu	—	Upgrade libisns0t64Upgrade libisns0 (Ubuntu Pro)Upgrade libisns0	Sep 24, 2026	Sep 23, 2026

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CVSS Details

Covered by Rapid7

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