APSB26-44 : Security update available for Adobe Acrobat Reader

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OpenAI Rotates macOS Certificates Following Axios Supply Chain Breach

OpenAI rotates macOS certificates after downloading a compromised Axios version, urging users to update apps before revoked certificates are blocked in May 2026...

CVE-2026-40194

A flaw was found in phpseclib, a PHP secure communications library. This vulnerability involves a timing attack where the comparison of Secure Shell SSH packet integrity checks HMACs takes a variable amount of time. A remote attacker could exploit this timing difference to deduce information abou...

A week in security (April 6 – April 12)

Last week on Malwarebytes Labs: Fake Claude site installs malware that gives attackers access to your computer ClickFix finds a new way to infect Macs Scammers pose as Amazon support to steal your account NSFW app leak exposes 70,000 prompts linked to individual users 30,000 private Facebook imag...

CVE-2026-6138 Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg os command injection

A flaw has been found in Totolink A7100RU 7.4cu.2313b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection. The attack can be initiated remotely. The exploi...

TOTOLINK A7100RU 操作系统命令注入漏洞

The TOTOLINK A7100RU is a wireless router produced by TOTOLINK Corporation. The Totolink A7100RU 7.4cu.2313b20191024 version contains a vulnerability related to operating system command injection. This vulnerability stems from improper handling of the mac parameter in the function...

The vulnerability of the WebAudio component in the Google Chrome browser on Mac operating systems allows a hacker to disclose protected information.

The vulnerability of the WebAudio component in the Google Chrome browser for Mac operating systems involves reading data beyond the buffer limit in memory. Exploiting this vulnerability could allow a malicious actor to disclose sensitive information by sending a specially crafted HTML page...

EUVD-2026-21726

A vulnerability was determined in Tenda F451 1.0.0.7. This vulnerability affects the function fromSafeMacFilter of the file /goform/SafeMacFilter of the component httpd. Executing a manipulation of the argument page/menufacturer can lead to stack-based buffer overflow. The attack can be executed...

CVE-2026-6124

CVE-2026-6124 affects Tenda F451 1.0.0.7, specifically the httpd component’s function fromSafeMacFilter in /goform/SafeMacFilter. The issue involves a stack-based buffer overflow triggered by manipulating the argument page/menufacturer, with the attack described as remote and the exploit publicly...

CVE-2026-6124

A vulnerability was determined in Tenda F451 1.0.0.7. This vulnerability affects the function fromSafeMacFilter of the file /goform/SafeMacFilter of the component httpd. Executing a manipulation of the argument page/menufacturer can lead to stack-based buffer overflow. The attack can be executed...

OESA-2026-1861 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: apparmor: fix unprivileged local user can do privileged policy management An unprivileged local user can load, replace, and remove profiles by opening the...

GHSA-R854-JRXH-36QX phpseclib has a variable-time HMAC comparison in SSH2::get_binary_packet() using != instead of hash_equals()

phpseclib SSH2: Variable-time comparison in HMAC verification Summary phpseclib\Net\SSH2::getbinarypacket uses PHP's != operator to compare a received SSH packet HMAC against the locally computed HMAC. != on equal-length binary strings in PHP uses memcmp, which short-circuits on the first differi...

CVE-2026-40191

Summary: CVE-2026-40191 affects ClearanceKit on macOS, where the Endpoint Security event handler prior to 5.0.4-beta-1f46165 only validated the source path of dual-path file operations against FAA rules and App Jail policies, ignoring the destination path. As a result, a local process could bypas...

ClickFix finds a new way to infect Macs

ClickFix campaigns are looking for alternatives now that many Mac users have been made aware of the dangers of pasting certain commands into Terminal. Researchers found that ClickFix has kept the same social engineering playbook but completely sidestepped Terminal by using the applescript:// URL...

CLSA-2026-1775831524 Fix of 8 CVEs

CVE-2024-56640 - net/smc: fix LGR and link use-after-free issue CVE-2024-56640 CVE-2026-23209 - macvlan: fix error recovery in macvlancommonnewlink CVE-2026-23209 CVE-2026-23193 - scsi: target: iscsi: Fix use-after-free in iscsitdecsessionusagecount CVE-2026-23193 CVE-2026-23204 - net/sched:...

GlassWorm Campaign Uses Zig Dropper to Infect Multiple Developer IDEs

Cybersecurity researchers have flagged yet another evolution of the ongoing GlassWorm campaign, which employs a new Zig dropper that's designed to stealthily infect all integrated development environments IDEs on a developer's machine. The technique has been discovered in an Open VSX extension...

CVE-2026-33092

CVE-2026-33092 affects Acronis True Image OEM (macOS) before build 42571 and Acronis True Image (macOS) before build 42902. It is a local privilege escalation caused by improper handling of environment variables, with CVSSv3.0 vector LOCAL/LOW/PR:L/UI:N and impact on confidentiality, integrity, a...

EUVD-2026-21305

An integer overflow existed in the wolfCrypt CMAC implementation, that could be exploited to forge CMAC tags. The function wcCmacUpdate used the guard if cmac-totalSz != 0 to skip XOR-chaining on the first block where digest is all-zeros and the XOR is a no-op. However, totalSz is word32 and wrap...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound due to an integer overflow in the wcCmacUpdate function. An attacker can generate forged CMAC tags by exploiting the wraparound of the totalSz variable after processing 4 GiB of data, which causes the...

CVE-2026-5477 Prefix-substitution forgery via integer overflow in wolfCrypt CMAC

An integer overflow existed in the wolfCrypt CMAC implementation, that could be exploited to forge CMAC tags. The function wcCmacUpdate used the guard if cmac-totalSz != 0 to skip XOR-chaining on the first block where digest is all-zeros and the XOR is a no-op. However, totalSz is word32 and wrap...