CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0CVE-2025-3035
https://notcve.org/view.php?id=CVE-2025-3035
01 Apr 2025 — By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt. This vulnerability affects Firefox < 137. • https://bugzilla.mozilla.org/show_bug.cgi?id=1952268 •
CVSS: 8.8EPSS: 0%CPEs: 2EXPL: 0CVE-2025-3034
https://notcve.org/view.php?id=CVE-2025-3034
01 Apr 2025 — Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 < 137 and Thunderbird < 137. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1894100%2C1934086%2C1950360 •
CVSS: 7.7EPSS: 0%CPEs: 2EXPL: 0CVE-2025-3033
https://notcve.org/view.php?id=CVE-2025-3033
01 Apr 2025 — After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 137 and Thunderbird < 137. • https://bugzilla.mozilla.org/show_bug.cgi?id=1950056 • CWE-73: External Control of File Name or Path •
CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 0CVE-2025-3032
https://notcve.org/view.php?id=CVE-2025-3032
01 Apr 2025 — Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability affects Firefox < 137 and Thunderbird < 137. • https://bugzilla.mozilla.org/show_bug.cgi?id=1949987 • CWE-403: Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak') •
CVSS: 6.5EPSS: 0%CPEs: 2EXPL: 0CVE-2025-3031
https://notcve.org/view.php?id=CVE-2025-3031
01 Apr 2025 — An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability affects Firefox < 137 and Thunderbird < 137. • https://bugzilla.mozilla.org/show_bug.cgi?id=1947141 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 8.1EPSS: 0%CPEs: 5EXPL: 0CVE-2025-3030
https://notcve.org/view.php?id=CVE-2025-3030
01 Apr 2025 — Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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 < 137, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird ESR < 128.9. Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of m... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1850615%2C1932468%2C1942551%2C1951017%2C1951494 • CWE-416: Use After Free •
CVSS: 7.3EPSS: 0%CPEs: 5EXPL: 0CVE-2025-3029
https://notcve.org/view.php?id=CVE-2025-3029
01 Apr 2025 — A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability affects Firefox < 137, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird ESR < 128.9. A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability affects Firefox < 137, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9. • https://bugzilla.mozilla.org/show_bug.cgi?id=1952213 • CWE-290: Authentication Bypass by Spoofing •
CVSS: 6.8EPSS: 0%CPEs: 5EXPL: 0CVE-2025-3028
https://notcve.org/view.php?id=CVE-2025-3028
01 Apr 2025 — JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird ESR < 128.9. JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9. • https://bugzilla.mozilla.org/show_bug.cgi?id=1941002 • CWE-416: Use After Free •
CVSS: 10.0EPSS: 0%CPEs: 2EXPL: 2CVE-2025-2857
https://notcve.org/view.php?id=CVE-2025-2857
27 Mar 2025 — Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised child process could cause the parent process to return an unintentionally powerful handle, leading to a sandbox escape. The original vulnerability was being exploited in the wild. *This only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 136.0.4, Firefox ESR < 128.8.1, and Firefox ESR < 115.21.1. • https://github.com/RimaRuer/CVE-2025-2857-Exploit •
CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 0CVE-2025-26695
https://notcve.org/view.php?id=CVE-2025-26695
10 Mar 2025 — When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability affects Thunderbird < 136 and Thunderbird < 128.8. • https://bugzilla.mozilla.org/show_bug.cgi?id=1883039 •