CVSS: 6.5EPSS: 0%CPEs: 12EXPL: 0CVE-2025-5269 – firefox: thunderbird: Memory safety bug
https://notcve.org/view.php?id=CVE-2025-5269
27 May 2025 — Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 128.11. Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. • https://bugzilla.mozilla.org/show_bug.cgi?id=1924108 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •
CVSS: 6.5EPSS: 0%CPEs: 12EXPL: 0CVE-2025-5268 – firefox: thunderbird: Memory safety bugs
https://notcve.org/view.php?id=CVE-2025-5268
27 May 2025 — Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. 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 vulnerability affects Firefox < 139 and Firefox ESR < 128.11. Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence of memory corruption and we presume that wit... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1950136%2C1958121%2C1960499%2C1962634 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 6.4EPSS: 0%CPEs: 4EXPL: 0CVE-2025-5267 – firefox: thunderbird: Clickjacking vulnerability could have led to leaking saved payment card details
https://notcve.org/view.php?id=CVE-2025-5267
27 May 2025 — A clickjacking vulnerability could have been used to trick a user into leaking saved payment card details to a malicious page. This vulnerability affects Firefox < 139 and Firefox ESR < 128.11. A clickjacking vulnerability could have been used to trick a user into leaking saved payment card details to a malicious page. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11. A flaw was found in Firefox. • https://bugzilla.mozilla.org/show_bug.cgi?id=1954137 • CWE-1021: Improper Restriction of Rendered UI Layers or Frames •
CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 0CVE-2025-5266 – firefox: thunderbird: Script element events leaked cross-origin resource status
https://notcve.org/view.php?id=CVE-2025-5266
27 May 2025 — Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139 and Firefox ESR < 128.11. Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11. A flaw was found in Firefox. • https://bugzilla.mozilla.org/show_bug.cgi?id=1965628 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-829: Inclusion of Functionality from Untrusted Control Sphere •
CVSS: 4.8EPSS: 0%CPEs: 15EXPL: 0CVE-2025-5265 – openSUSE Security Advisory - openSUSE-SU-2025:15174-1
https://notcve.org/view.php?id=CVE-2025-5265
27 May 2025 — Due to insufficient escaping of the ampersand character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 139, Firefox ESR < 115.24, and Firefox ESR < 128.11. Due to insufficient escaping of the ampersand character in the “Copy as cURL” feature, an attacker could trick a user into usi... • https://bugzilla.mozilla.org/show_bug.cgi?id=1962301 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •
CVSS: 6.1EPSS: 0%CPEs: 4EXPL: 0CVE-2025-5264 – firefox: thunderbird: Potential local code execution in “Copy as cURL” command
https://notcve.org/view.php?id=CVE-2025-5264
27 May 2025 — Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, and Firefox ESR < 128.11. Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vul... • https://bugzilla.mozilla.org/show_bug.cgi?id=1950001 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-116: Improper Encoding or Escaping of Output •
CVSS: 6.4EPSS: 0%CPEs: 25EXPL: 0CVE-2025-5263 – firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content
https://notcve.org/view.php?id=CVE-2025-5263
27 May 2025 — Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, and Firefox ESR < 128.11. Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11. A flaw was found in Firefox. • https://bugzilla.mozilla.org/show_bug.cgi?id=1960745 • CWE-346: Origin Validation Error CWE-829: Inclusion of Functionality from Untrusted Control Sphere •
CVSS: 10.0EPSS: 0%CPEs: 12EXPL: 1CVE-2025-4919 – Mozilla Firefox SpiderMonkey Out-Of-Bounds Write Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2025-4919
17 May 2025 — An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox ESR < 115.23.1. An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2. A flaw was found in Firefox and Thunderbird. • https://github.com/HExploited/CVE-2025-4919-Exploit • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •
CVSS: 10.0EPSS: 0%CPEs: 12EXPL: 0CVE-2025-4918 – firefox: thunderbird: Out-of-bounds access when resolving Promise objects
https://notcve.org/view.php?id=CVE-2025-4918
17 May 2025 — An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability affects Firefox ESR < 115.23.1. An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2. A flaw was found in Firefox and Thunderbird. • https://bugzilla.mozilla.org/show_bug.cgi?id=1966612 • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 0%CPEs: 23EXPL: 0CVE-2025-3932 – thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking
https://notcve.org/view.php?id=CVE-2025-3932
14 May 2025 — It was possible to craft an email that showed a tracking link as an attachment. If the user attempted to open the attachment, Thunderbird automatically accessed the link. The configuration to block remote content did not prevent that. Thunderbird has been fixed to no longer allow access to web pages listed in the X-Mozilla-External-Attachment-URL header of an email. This vulnerability affects Thunderbird < 128.10.1 and Thunderbird < 138.0.1. • https://bugzilla.mozilla.org/show_bug.cgi?id=1960412 • CWE-288: Authentication Bypass Using an Alternate Path or Channel •