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ZDI-26-691: Linux Kernel Netlink-based Wireless Configuration Integer Overflow Local Privilege Escalation Vulnerability

ZDI-26-691: integer overflow in Linux kernel netlink wireless configuration (CVE-2026-53182) allows local privilege escalation by attackers already running high-privileged code; CVSS 8.2.

ZDI advisory ZDI-26-691 discloses an integer overflow in the Linux kernel's netlink-based wireless configuration that allows local attackers to escalate privileges on affected installations. Exploitation requires the attacker to first obtain the ability to execute high-privileged code on the target system. ZDI assigned a CVSS rating of 8.2 and CVE-2026-53182.

ZDI-26-647: VMware Workstation VMXNET3 TSO Segmentation Integer Overflow Local Privilege Escalation Vulnerability

ZDI disclosed an integer overflow in VMware Workstation's VMXNET3 TSO code (CVE-2026-59346) enabling local privilege escalation.

Zero Day Initiative published ZDI-26-647, a CVSS 7.5 integer overflow in the VMXNET3 TSO segmentation code of VMware Workstation. A local attacker who has already obtained the ability to execute high-privileged code on the guest system can exploit the flaw to escalate privileges on affected installations. The issue is tracked as CVE-2026-59346. No exploitation is reported in the advisory.

ZDI-26-678: Adobe Photoshop DCM File Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI disclosed a CVSS 7.8 integer overflow remote code execution flaw (CVE-2026-75863) in Adobe Photoshop DCM file parsing.

The Zero Day Initiative published advisory ZDI-26-678 describing an integer overflow remote code execution vulnerability in Adobe Photoshop, tracked as CVE-2026-75863 with a CVSS 7.8 score. The flaw occurs while parsing DCM files. Exploitation requires user interaction: the target must visit a malicious page or open a malicious file. No in-the-wild exploitation is reported.

ZDI-26-633: GIMP PSP File Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI disclosed a CVSS 7.8 integer overflow in GIMP's PSP file parser that enables remote code execution when users open malicious files.

ZDI published advisory ZDI-26-633 for an integer overflow in GIMP's parsing of PSP image files. Remote attackers can execute arbitrary code, but exploitation requires user interaction such as opening a malicious file. ZDI assigned CVSS 7.8 and the issue is tracked as CVE-2026-4153.

ZDI-26-658: Adobe Acrobat Pro DC JPEG Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI discloses CVE-2026-81987, an integer overflow in Adobe Acrobat Pro DC JPEG parsing enabling remote code execution with CVSS 7.8.

The Zero Day Initiative published ZDI-26-658 covering an integer overflow in Adobe Acrobat Pro DC's parsing of JPEG files. Successful exploitation allows arbitrary code execution but requires user interaction, such as opening a malicious file or visiting a malicious page. ZDI assigned a CVSS score of 7.8 and tracked the flaw as CVE-2026-81987.

ZDI-26-635: Oracle Outside In Technology PDF File Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-60392, an integer overflow in Oracle Outside In PDF parsing enabling remote code execution, rated CVSS 7.8.

The Zero Day Initiative published advisory ZDI-26-635 describing an integer overflow vulnerability in PDF file parsing within Oracle Outside In Technology. Successful exploitation allows remote code execution but requires user interaction, such as opening a malicious file or visiting a malicious page. ZDI assigned the flaw a CVSS rating of 7.8.

ZDI-26-536: (Pwn2Own) Microsoft Windows http.sys Integer Overflow Local Privilege Escalation Vulnerability

ZDI discloses CVE-2026-62735, a Pwn2Own-demonstrated Windows http.sys integer overflow (CVSS 8.8) enabling local privilege escalation.

ZDI advisory ZDI-26-536 describes an integer overflow in Microsoft Windows http.sys, tracked as CVE-2026-62735 with a CVSS score of 8.8. The flaw was demonstrated at Pwn2Own and allows local attackers to escalate privileges on affected Windows installations. Exploitation requires first obtaining the ability to execute low-privileged code on the target system.

ZDI Published Advisories · Aug 11, 2026VulnerabilityCVE-2026-627351

Orthanc DICOM Server

CISA advisory flags CVE-2026-87020, an integer overflow in Orthanc DICOM Server <1.13.0 causing heap out-of-bounds write and denial of service when decoding crafted PNG/JPEG images.

CISA published ICSMA-26-253-02 for Orthanc DICOM Server versions below 1.13.0, used in healthcare environments worldwide. CVE-2026-87020 (CWE-190) is an integer overflow in pitch and buffer-size computation causing a heap out-of-bounds write when decoding attacker-supplied PNG or JPEG images. An authenticated remote attacker can crash the Orthanc process and cause denial of service; CVSS v3.1 is 8.1 HIGH. CISA states no known public exploitation targeting this flaw has been reported.

CISA Advisories · 5d agoAdvisoryCVE-2026-87020

Rockwell Automation RSLinx Classic

CISA flags four flaws (CVE-2026-9621/9622/9624/9625) in Rockwell RSLinx Classic 4.50 and below that can cause denial-of-service conditions; CVSS 8.6.

CISA published an ICS advisory covering four vulnerabilities in Rockwell Automation RSLinx Classic versions 4.50 and below. The integer overflow, underflow, and classic buffer overflow flaws (CVE-2026-9621, CVE-2026-9622, CVE-2026-9624, CVE-2026-9625) could let attackers cause denial-of-service conditions. The product is deployed worldwide, primarily in critical manufacturing.

Re: Vulnerabilities fixed in libxml2-2.15.4

libxml2 2.15.4 patches two flaws including a heap buffer overflow in xmlDictAddQString tracked as CVE-2026-86137 and CVE-2026-86138.

libxml2 releases before 2.15.4 are affected by an integer overflow in xmlDictAddQString in dict.c that leads to a heap-based buffer overflow, tracked as CVE-2026-86137 and CVE-2026-86138. The oss-security post from Debian's Salvatore Bonaccorso flags the fixed release for downstream tracking. No exploitation is mentioned in the disclosure.

[Control Systems] National Instruments security advisory (AV26-856)

Canada's Cyber Centre relayed National Instruments advisories for memory corruption, out-of-bounds read, and out-of-bounds write flaws in LabVIEW versions.

The Canadian Centre for Cyber Security published control systems advisory AV26-856 covering National Instruments LabVIEW. Affected versions include releases before 23.0.0, 23.3.10, 24.3.7, 25.3.5, and 26.3.1. The flaws include memory corruption, an integer conversion out-of-bounds read, and an integer overflow out-of-bounds write. Users and administrators are urged to review the links and apply NI security updates.

Canadian Centre for Cyber Security · 18d agoAdvisory