Astra Linux – Vulnerability in Firefox and Thunderbird

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

Astra Linux – Vulnerability in Chromium

A heap buffer overflow in TabStrip in Google Chrome prior to version 149.0.7827.53 allowed a remote attacker who convinced a user to perform certain UI gestures to potentially exploit heap corruption through a crafted HTML page. Chromium security severity: Medium...

Security Vulnerabilities fixed in Thunderbird 153 — Mozilla

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. Memory safety bugs present in...

CVE-2026-57077

Affected software: YAML::Syck (Perl) before version 1.47. Vulnerability: out-of-bounds read via an unbounded newline scan in newline_len during block-scalar lexing at a document boundary, dereferencing scan pointers and the following byte of a "\r\n" pair without a NUL-terminator or bounds check....

firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird ESR 140.12...

firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird ESR 140.12...

firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird ESR 140.12...

CVE-2026-15158 Blocksy Companion <= 2.1.46 - Unauthenticated Arbitrary File Upload via 'blc-review-images[]' Parameter

The Blocksy Companion plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.1.46 via the saveattachments function. This is due to the Custom Fonts extension registering a wpcheckfiletypeandext filter that approves any filename containing .woff2 or .tt...

CVE-2026-46002 affecting package kernel for versions less than 6.6.141.1-1

CVE-2026-46002 affecting package kernel for versions less than 6.6.141.1-1. An upgraded version of the package is available that resolves this issue...

Oracle Linux 8 : firefox (ELSA-2026-27717)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-27717 advisory. 140.12.0-1.0.1 - Fix firefox-oracle-default-prefs.js for new nss Orabug: 37079789 - diable wasisdk to prevent build failure with newer llvm 140.12.0 -...

CVE-2026-12289

CVE-2026-12289 describes a privilege-escalation vulnerability in the Graphics: WebRender component. The public description and connected advisories indicate this affects Mozilla Firefox and Thunderbird products, with fixes shipped in: Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbi...

Astra Linux – Vulnerability in connman

A issue was discovered in the DNS proxy of Connman through version 1.40. The TCP server reply implementation creates an infinite loop if no data is received...

CVE-2026-8946

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

CVE-2026-6659

Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts. The built-in rand function is predictable, and unsuitable for cryptography...

CVE-2026-8011

Insufficient policy enforcement in Search in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Low...

CVE-2026-8009

Inappropriate implementation in Cast in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Low...

CVE-2026-8012

Inappropriate implementation in MHTML in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to inject arbitrary scripts or HTML UXSS via a crafted HTML page. Chromium security severity: Low...

CVE-2026-7903

Integer overflow in ANGLE in Google Chrome on Mac,Windows prior to 148.0.7778.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Chromium security severity: High...

CVE-2026-6785

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This...

PT-2026-33970

Name of the Vulnerable Software and Affected Versions Firefox version 149 Thunderbird version 149 Description Memory safety bugs involving memory corruption and out-of-bounds reads exist in the software. These issues could allow an unauthenticated remote attacker to execute arbitrary code on the...