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CVE Vendors Products Updated CVSS v3.1
CVE-2026-8957 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 8.8 High
Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8950 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 9.3 Critical
Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8963 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 7.5 High
Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8964 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 7.5 High
Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8968 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 7.5 High
Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8969 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 8.1 High
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2025-57798 1 Laurent 22 1 Joplin 2026-05-20 5.5 Medium
Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions 3.6.14 and prior contain a Denial of Service (DoS) vulnerability in the title input functionality due to a lack of proper length validation. This flaw allows an attacker to cause an Out Of Memory (OOM) error and subsequent program termination by inserting an excessively long string into a note's title. This can be triggered either through direct user interface (UI) input or programmatically via the local web service API after compromising an authentication token. There are 2 primary methods of exploitation: via User Interface (UI) Input, and the Local Web Service API. A local user can directly type or paste an extremely long string into the title field when creating or editing a note Joplin runs a local web service (typically on port 41184) that allows programmatic interaction, such as creating or editing notes via HTTP API calls. If an attacker manages to exfiltrate or compromise the user's authentication token (e.g., through malware on the local system, or other local vulnerabilities), they can then send a crafted HTTP POST request to this local API. By including an excessively long string in the title parameter of this request, the application will attempt to allocate an unbounded amount of memory. This issue has been patched in version 3.7.1.
CVE-2026-8948 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 9.1 Critical
Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-29518 2026-05-20 7 High
Rsync versions before 3.4.3 contain a time-of-check to time-of-use (TOCTOU) race condition in daemon file handling that allows attackers to redirect file writes outside intended directories by replacing parent directory components with symbolic links. Attackers with write access to a module path can exploit this race condition to create or overwrite arbitrary files, potentially modifying sensitive system files and achieving privilege escalation when the daemon runs with elevated privileges. This vulnerability can only be triggered if the chroot setting is false.
CVE-2026-45584 1 Microsoft 1 Malware Protection Engine 2026-05-20 8.1 High
Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.
CVE-2026-8949 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 7.5 High
Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8951 1 Mozilla 1 Firefox 2026-05-20 6.5 Medium
Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.
CVE-2026-8952 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 8.8 High
Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-9059 2 Awesomemotive, Wordpress 2 Nextgen Gallery, Wordpress 2026-05-20 N/A
NextGEN Gallery version prior to 4.2.1 are vulnerable to authenticated SQL injection via the 'orderby' parameter on the REST API endpoints '/imagely/v1/galleries' and '/imagely/v1/albums'. The root cause is an insufficient sanitization function ('_clean_column()') in the data mapper layer that uses a character blacklist instead of a whitelist approach. This allows an authenticated attacker with the 'NextGEN Gallery overview' capability (assigned to the Administrator role by default) to inject arbitrary SQL into the 'ORDER BY' clause.
CVE-2026-8955 1 Mozilla 2 Firefox, Thunderbird 2026-05-20 8.8 High
Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2025-15645 1 Ledger 3 Flex, Nano X, Stax 2026-05-20 4.6 Medium
Ledger Nano X, Flex, and Stax devices contain a denial of service vulnerability in the MCU firmware update process due to missing validation of the reset_handler parameter during firmware flashing. An attacker can provide a crafted reset_handler address pointing to invalid memory or attacker-controlled code to cause the device to enter an unrecoverable fault state during boot, resulting in permanent loss of operability.
CVE-2026-24712 1 Northern.tech 1 Cfengine 2026-05-20 7.3 High
Northern.tech CFEngine Enterprise and Community before 3.21.8, 3.24.3, and 3.27.0 allows Command injection.
CVE-2026-27424 2 Wordpress, Wpchill 2 Wordpress, Image Photo Gallery Final Tiles Grid 2026-05-20 4.3 Medium
Missing Authorization vulnerability in WP Chill Image Photo Gallery Final Tiles Grid allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Image Photo Gallery Final Tiles Grid: from n/a through 3.6.11.
CVE-2026-27405 2026-05-20 6.5 Medium
Missing Authorization vulnerability in Magepeople inc. WpBookingly allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects WpBookingly: from n/a through 1.2.9.
CVE-2026-24573 2 Themeisle, Wordpress 2 Visualizer, Wordpress 2026-05-20 6.5 Medium
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeisle Visualizer allows Stored XSS. This issue affects Visualizer: from n/a before 4.0.0.