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CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

16 Feb 2023 — The Content-Security-Policy-Report-Only header could allow an attacker to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8. The Mozilla Foundation Security Advisory describes this flaw as: The `Content-Security-Policy-Report-Only` header could allow an attacker to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect. USN-5880-1 f... • https://bugzilla.mozilla.org/show_bug.cgi?id=1790345 • CWE-203: Observable Discrepancy CWE-1021: Improper Restriction of Rendered UI Layers or Frames •

CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0

16 Feb 2023 — A background script invoking requestFullscreen and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8. The Mozilla Foundation Security Advisory describes this flaw as: A background script invoking `requestFullscreen` and then blocking the main thread could force the browser into fullscreen mode indefinitely, resul... • https://bugzilla.mozilla.org/show_bug.cgi?id=1794622 • CWE-821: Incorrect Synchronization CWE-1021: Improper Restriction of Rendered UI Layers or Frames •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

23 Jan 2023 — When copying a network request from the developer tools panel as a curl command the output was not being properly sanitized and could allow arbitrary commands to be hidden within. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7. The Mozilla Foundation Security Advisory describes this flaw as: When copying a network request from the developer tools panel as a curl command the output was not being properly sanitized and could allow arbitrary commands to be hidden within.... • https://bugzilla.mozilla.org/show_bug.cgi?id=1777800 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-116: Improper Encoding or Escaping of Output •

CVSS: 10.0EPSS: 0%CPEs: 3EXPL: 0

19 Jan 2023 — Memory safety bugs present in Firefox 108 and Firefox ESR 102.6. 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 < 109, Thunderbird < 102.7, and Firefox ESR < 102.7. The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108 and Firefox ESR 102.6. Some of these ... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1764921%2C1802690%2C1806974 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

19 Jan 2023 — Navigations were being allowed when dragging a URL from a cross-origin iframe into the same tab which could lead to website spoofing attacks. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7. The Mozilla Foundation Security Advisory describes this flaw as: Navigations were being allowed when dragging a URL from a cross-origin iframe into the same tab which could lead to website spoofing attacks USN-5816-1 fixed vulnerabilities in Firefox. The update introduced several m... • https://bugzilla.mozilla.org/show_bug.cgi?id=1794268 • CWE-346: Origin Validation Error CWE-829: Inclusion of Functionality from Untrusted Control Sphere •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

19 Jan 2023 — Regular expressions used to filter out forbidden properties and values from style directives in calls to console.log weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7. The Mozilla Foundation Security Advisory describes this flaw as: Regular expressions used to filter out forbidden properties and values from style directives in calls to `console.log` weren't acc... • https://bugzilla.mozilla.org/show_bug.cgi?id=1800832 • CWE-185: Incorrect Regular Expression CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

19 Jan 2023 — Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain MIMEs containing file URLs as being dragged a website could arbitrarily read a file via a call to DataTransfer.setData. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7. The Mozilla Foundation Security Advisory describes this flaw as: Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain MIMEs containing file ... • https://bugzilla.mozilla.org/show_bug.cgi?id=1800425 • CWE-450: Multiple Interpretations of UI Input •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

19 Jan 2023 — A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7. The Mozilla Foundation Security Advisory describes this flaw as: A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This c... • https://bugzilla.mozilla.org/show_bug.cgi?id=1800890 • CWE-754: Improper Check for Unusual or Exceptional Conditions CWE-1385: Missing Origin Validation in WebSockets •

CVSS: 10.0EPSS: 0%CPEs: 2EXPL: 1

22 Dec 2022 — An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9. Una librería de gráficos desactualizada (Angle) probablemente contenía vulnerabilidades que podrían explotarse. Esta vulnerabilidad afecta a Thunderbird < 78.9 y Firefox ESR < 78.9. The Mozilla Foundation Security Advisory describes this issue as: An out of date graphics library (Angle) likely contained vulnerabilities that ... • https://bugzilla.mozilla.org/show_bug.cgi?id=1691547 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.1EPSS: 0%CPEs: 4EXPL: 1

22 Dec 2022 — A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6. • https://bugzilla.mozilla.org/show_bug.cgi?id=1732435 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •