CVSS: 7.6EPSS: 0%CPEs: 20EXPL: 0CVE-2025-0243 – firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6
https://notcve.org/view.php?id=CVE-2025-0243
07 Jan 2025 — Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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 < 134 and Firefox ESR < 128.6. Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. Some of these bugs showed evidence of memory corruption and we presume that with eno... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1827142%2C1932783 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 10.0EPSS: 0%CPEs: 20EXPL: 0CVE-2025-0242 – firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6
https://notcve.org/view.php?id=CVE-2025-0242
07 Jan 2025 — Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 < 134, Firefox ESR < 128.6, and Firefox ESR < 115.19. Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and ... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1874523%2C1926454%2C1931873%2C1932169 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 0%CPEs: 20EXPL: 0CVE-2025-0241 – firefox: Memory corruption when using JavaScript Text Segmentation
https://notcve.org/view.php?id=CVE-2025-0241
07 Jan 2025 — When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 134 and Firefox ESR < 128.6. When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird ESR < 128.6. A flaw was found in Firefox. • https://bugzilla.mozilla.org/show_bug.cgi?id=1933023 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 7.8EPSS: 0%CPEs: 20EXPL: 0CVE-2025-0240 – firefox: Compartment mismatch when parsing JavaScript JSON module
https://notcve.org/view.php?id=CVE-2025-0240
07 Jan 2025 — Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability affects Firefox < 134 and Firefox ESR < 128.6. Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird ESR < 128.6. A flaw was found in Firefox. • https://bugzilla.mozilla.org/show_bug.cgi?id=1929623 • CWE-416: Use After Free •
CVSS: 6.4EPSS: 0%CPEs: 20EXPL: 0CVE-2025-0239 – firefox: Alt-Svc ALPN validation failure when redirected
https://notcve.org/view.php?id=CVE-2025-0239
07 Jan 2025 — When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability affects Firefox < 134 and Firefox ESR < 128.6. When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird ESR < 128.6. A flaw was found in Firefox. • https://bugzilla.mozilla.org/show_bug.cgi?id=1929156 • CWE-295: Improper Certificate Validation CWE-601: URL Redirection to Untrusted Site ('Open Redirect') •
CVSS: 7.8EPSS: 0%CPEs: 20EXPL: 0CVE-2025-0238 – firefox: Use-after-free when breaking lines in text
https://notcve.org/view.php?id=CVE-2025-0238
07 Jan 2025 — Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, and Firefox ESR < 115.19. Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Firefox ESR < 115.19, Thunderbird < 134, and Thunderbird ESR < 128.6. A flaw was... • https://bugzilla.mozilla.org/show_bug.cgi?id=1915535 • CWE-416: Use After Free •
CVSS: 7.1EPSS: 0%CPEs: 20EXPL: 0CVE-2025-0237 – firefox: WebChannel APIs susceptible to confused deputy attack
https://notcve.org/view.php?id=CVE-2025-0237
07 Jan 2025 — The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability affects Firefox < 134 and Firefox ESR < 128.6. The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. • https://bugzilla.mozilla.org/show_bug.cgi?id=1915257 • CWE-441: Unintended Proxy or Intermediary ('Confused Deputy') CWE-863: Incorrect Authorization •
CVSS: 5.5EPSS: 0%CPEs: 15EXPL: 0CVE-2024-45819 – libxl leaks data to PVH guests via ACPI tables
https://notcve.org/view.php?id=CVE-2024-45819
19 Dec 2024 — PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prior contents. PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. • https://xenbits.xenproject.org/xsa/advisory-464.html • CWE-276: Incorrect Default Permissions •
CVSS: 6.5EPSS: 0%CPEs: 15EXPL: 0CVE-2024-45818 – Deadlock in x86 HVM standard VGA handling
https://notcve.org/view.php?id=CVE-2024-45818
19 Dec 2024 — The hypervisor contains code to accelerate VGA memory accesses for HVM guests, when the (virtual) VGA is in "standard" mode. Locking involved there has an unusual discipline, leaving a lock acquired past the return from the function that acquired it. This behavior results in a problem when emulating an instruction with two memory accesses, both of which touch VGA memory (plus some further constraints which aren't relevant here). When emulating the 2nd access, the lock that is already being held would be att... • https://xenbits.xenproject.org/xsa/advisory-463.html • CWE-667: Improper Locking •
CVSS: 6.4EPSS: 0%CPEs: 33EXPL: 0CVE-2024-11694 – firefox: thunderbird: CSP Bypass and XSS Exposure via Web Compatibility Shims
https://notcve.org/view.php?id=CVE-2024-11694
26 Nov 2024 — Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP `frame-src` bypass and DOM-based XSS through the Google SafeFrame shim in the Web Compatibility extension. This issue could have exposed users to malicious frames masquerading as legitimate content. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunderbird < 133, and Thunderbird < 128.5. Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP `frame-src` bypass and D... • https://bugzilla.mozilla.org/show_bug.cgi?id=1924167 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •