CVE-2026-63886

A flaw was found in the Linux kernel's iSCSI target functionality. This vulnerability allows a remote attacker to cause a buffer overflow by sending a specially crafted Challenge-Handshake Authentication Authentication Protocol CHAP response. The system fails to validate the length of the...

SUSE CVE-2026-63886

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Validate CHAPR length before base64 decode chapservercomputehash allocates clientdigest as kzallocchap-digestsize and then, for BASE64-encoded responses, passes chapr directly to chapbase64decode without...

Linux Distros Unpatched Vulnerability : CVE-2026-63886

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - scsi: target: iscsi: Validate CHAPR length before base64 decode chapservercomputehash allocates clientdigest as kzallocchap-digestsize and then, for...

CVE-2026-63886

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Validate CHAPR length before base64 decode chapservercomputehash allocates clientdigest as kzallocchap-digestsize and then, for BASE64-encoded responses, passes chapr directly to chapbase64decode without...

CVE-2026-63886 scsi: target: iscsi: Validate CHAP_R length before base64 decode

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Validate CHAPR length before base64 decode chapservercomputehash allocates clientdigest as kzallocchap-digestsize and then, for BASE64-encoded responses, passes chapr directly to chapbase64decode without...

EUVD-2026-45771

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Validate CHAPR length before base64 decode chapservercomputehash allocates clientdigest as kzallocchap-digestsize and then, for BASE64-encoded responses, passes chapr directly to chapbase64decode without...

CVE-2026-63886

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Validate CHAPR length before base64 decode chapservercomputehash allocates clientdigest as kzallocchap-digestsize and then, for BASE64-encoded responses, passes chapr directly to chapbase64decode without...

CVE-2026-63886

The CVE-2026-63886 entry concerns the Linux kernel SCSI iSCSI path, where chap_server_compute_hash() could overflow a digest buffer during BASE64 decoding. Root cause: chap_r is fed to chap_base64_decode() without validation that the decoded output fits into client_digest (kzalloc(chap->digest...

PT-2026-61203

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the iSCSI target component of the Linux kernel where the chap server compute hash function fails to validate the length of the CHAP R parameter before performing a...

CVE-2009-4409

The 1 CHAP and 2 MS-CHAP-V2 authentication capabilities in the PPP Access Concentrator PPPAC function in Internet Initiative Japan SEIL/B1 firmware 1.00 through 2.52 use the same challenge for each authentication attempt, which allows remote attackers to bypass authentication via a replay attack...

CVE-2021-27004

System Manager 9.x versions 9.7 and higher prior to 9.7P16, 9.8P7 and 9.9.1P2 are susceptible to a vulnerability which could allow a local attacker to discover plaintext iSCSI CHAP credentials...

CVE-1999-0160

Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections...

EUVD-1999-0160

Malware in sbrugna...

EUVD-2021-13777

Malware in sbrugna...

EUVD-2016-9124

Malware in sbrugna...

EUVD-2014-4935

Malware in sbrugna...

SUSE: Security Advisory (SUSE-SU-2025:02740-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Security update for tgt

This update for tgt fixes the following issues: CVE-2024-45751: Fixed CHAP authentication bypass in user-space Linux target framework bsc1230360 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively yo...

Security update for tgt

This update for tgt fixes the following issues: CVE-2024-45751: Fixed CHAP authentication bypass in user-space Linux target framework bsc1230360 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively yo...

Updated freeradius packages fix security vulnerability

This vulnerability allows an attacker performing a meddler-in-the-middle attack between Palo Alto Networks PAN-OS firewall and a RADIUS server to bypass authentication and escalate privileges to ‘superuser’ when RADIUS authentication is in use and either CHAP or PAP is selected in the RADIUS serv...