Firefox Esr Security Vulnerabilities and Issues — Firefox Esr CVE List

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9 matches found

CVE•added 2025/05/17 10:15 p.m.•130 views

CVE-2025-4918

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

7.5CVSS7.2AI score0.00054EPSS

CVE•added 2025/05/17 10:15 p.m.•121 views

CVE-2025-4919

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

8.8CVSS7.9AI score0.00042EPSS

CVE•added 2025/05/27 1:15 p.m.•89 views

CVE-2025-5268

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 &l...

6.5CVSS7.2AI score0.0007EPSS

CVE•added 2025/05/27 1:15 p.m.•79 views

CVE-2025-5263

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

4.3CVSS5.2AI score0.00029EPSS

CVE•added 2025/05/27 1:15 p.m.•77 views

CVE-2025-5267

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

5.4CVSS4.8AI score0.00054EPSS

CVE•added 2025/05/27 1:15 p.m.•74 views

CVE-2025-5266

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

6.5CVSS5.8AI score0.00068EPSS

CVE•added 2025/05/27 1:15 p.m.•69 views

CVE-2025-5269

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 and Thunderbird

6.5CVSS6.9AI score0.00051EPSS

CVE•added 2025/05/27 1:15 p.m.•60 views

CVE-2025-5264

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, Firefox ESR < 128.1...

4.8CVSS5.6AI score0.00033EPSS

CVE•added 2025/05/27 1:15 p.m.•52 views

CVE-2025-5265

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 v...

4.8CVSS5.3AI score0.00017EPSS