CVE-2026-12561

CVE-2026-12561 affects the tagDiv Composer WordPress plugin in all versions up to and including 5.4.5 . The vulnerability is a Stored Cross-Site Scripting flaw in the vc_raw_html::render() method. The method base64-decodes shortcode content and concatenates the result directly into page HTML with...

kernel: scsi: target: iscsi: Validate CHAP_R length before base64 decode

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...

Exploit for CVE-2026-76070

CVE-2026-76070: Unauthenticated Pre-Auth Stack Buffer Overflow...

Amazon Linux 2 : python3, --advisory ALAS2-2026-3852 (ALAS-2026-3852)

The version of python3 installed on the remote host is prior to 3.7.16-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3852 advisory. CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host. CVE-2026-1502 The incremental HTML parser...

Amazon Linux 2 : perl-YAML-Syck, --advisory ALAS2-2026-3837 (ALAS-2026-3837)

The version of perl-YAML-Syck installed on the remote host is prior to 1.27-3. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3837 advisory. YAML::Syck versions before 1.47 for Perl allow a use-after-free and double-free via an anchor node freed while still...

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

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...

JLSEC-2026-763

In iperf before 3.19.1, iperfauth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt...

GHSA-9369-69WJ-7M2F YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize

Details Sink tools/bazar/services/CSVManager.php line 372-399: public function importEntryarray $importedEntries, string $formId: ?array if !$this-importdone // ... foreach $importedEntries as $entry $entry = unserializebase64decode$entry; // false argument; arbitrary classes are instantiated. Th...

Malicious code in vybscan-testbed-obfuscated-postinstall (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cf9aee5b150e0606b1c5c2469fdab43496965a3dd5664df288d68d618e326567 package.json declares a postinstall lifecycle script that runs node -e "evalBuffer.from'','base64'.toString". Installing the package triggers executi...

MAL-2026-10039 Malicious code in chai-as-align (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 791f5dcd4f623d5301bc3abf922c5f0e4ff716017fe67d3673c778e9d31b0776 The package presents itself as a testing/logging helper but its exported middleware factory spawns a detached background Node child that runs...

MAL-2026-10045 Malicious code in chai-as-sharpened (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 854e8e5d81ba59ee1353535523ea62b29c07de8d6a5cc50745a471696d80576a On require, the package spawns a detached background node process running lib/initializeCaller.js. That script base64-decodes a hardcoded URL...

CVE-2026-44042

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-44042 UltraVNC repeater wi_uudecode off-by-one in base64 decode boundary check

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-44042

UltraVNC repeater up to version 1.8.2.2 contains an off-by-one bug in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, wi_uudecode() uses a strict > check to ensure output fits the buffer, but the correct condition is >=. When strlen(authdata) ...

EUVD-2026-40877

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-44042 UltraVNC repeater wi_uudecode off-by-one in base64 decode boundary check

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-44042

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-44042: Off-by-one Error

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...