OESA-2026-2226 wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer. Security Fixes: ICMPv6 PvD protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a slab-out-of-bounds issue in smb2allocaterspbuf. If -ProtocolId is set to SMB2 TRANSFORMPROTONUM, the validation of the request size could be skipped. If the request size is smaller than sizeofstruct smb2queryinfore...

UBUNTU-CVE-2026-6867

SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

UBUNTU-CVE-2026-5407

SMB2 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

CVE-2026-5407

SMB2 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

CVE-2026-5407

SMB2 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

CVE-2026-5407

SMB2 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

KLA91016 Multiple vulnerabilities in Wireshark

Multiple vulnerabilities were found in Wireshark. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code. Below is a complete list of vulnerabilities: 1. A denial of service vulnerability in Monero protocol dissector can be exploited to cause a denial...

EUVD-2026-24835

In the Linux kernel, the following vulnerability has been resolved: ksmbd: replace hardcoded hdr2len with offsetof in smb2calcmaxoutbuflen After this commit e2b76ab8b5c9 "ksmbd: add support for read compound", response buffer management was changed to use dynamic iov array. In the new design,...

CVE-2026-31478

The CVE-2026-31478 issue affects ksmbd in the Linux kernel. The root cause is an incorrect calculation of the response buffer length in smb2_calc_max_out_buf_len(), where a hardcoded hdr2_len was used instead of the correct offset to the Buffer field. The security advisories describe that after a...

PT-2026-34383

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where the smb2 calc max out buf len function used a hardcoded magic number for the hdr2 len argument instead of the correct offset of the Buffer field...

EUVD-2017-3873

Malware in sbrugna...

CVE-2023-53377 cifs: prevent use-after-free by freeing the cfile later

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent use-after-free by freeing the cfile later In smb2compoundop we have a possible use-after-free which can cause hard to debug problems later on. This was revealed during stress testing with KASAN enabled kernel. Fixin...

PT-2025-30779

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 6.16.0-rc3 and earlier Description A warning occurred when reconnecting a channel in the SMB2 protocol. Specifically, a dummy tcon was passed to smb2 reconnect with an uninitialized query interface, leading to an issue wh...

Sonos Speakers S2 App < 16.6 RCE Vulnerability (SSA-2024-0002)

Sonos speakers are prone to a remote code execution RCE vulnerabilities. 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 CPE = "cpe:/a:sonos:s2...

PT-2026-4363

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak exists in the ksmbd module when an invalid session is found during session lookup. Specifically, when a session is located but is not in a valid state SMB2 SESSION...

smb/client: avoid dereferencing rdata=NULL in smb2_new_read_req()

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CVE-2023-52442

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in compound request smb2getmsg in smb2getksmbdtcon and smb2checkusersession will always return the first request smb2 header in a compound request. if SMB2TREECONNECTHE is the first command ...

CVE-2021-45100

The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This occurs because it sets the SMB2GLOBALCAPENCRYPTION flag when using the SMB 3.1.1 protocol, which is a violation of the SMB protocol...

CVE-2017-12300

A vulnerability in the SNORT detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a file policy that is configured to block the Server Message Block Version 2 SMB2 protocol. The vulnerability is due to the incorrect detection of an SMB2 fil...