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CVSS: 8.1EPSS: 0%CPEs: 3EXPL: 0

29 Oct 2024 — The origin of an external protocol handler prompt could have been obscured using a data: URL within an `iframe`. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132. The Mozilla Foundation's Security Advisory: The origin of an external protocol handler prompt could be obscured using a data: URL within an `iframe`. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potent... • https://bugzilla.mozilla.org/show_bug.cgi?id=1912537 • CWE-346: Origin Validation Error CWE-940: Improper Verification of Source of a Communication Channel •

CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0

29 Oct 2024 — An attacker could have caused a use-after-free when accessibility was enabled, leading to a potentially exploitable crash. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Firefox ESR < 115.17, Thunderbird < 128.4, and Thunderbird < 132. The Mozilla Foundation's Security Advisory: An attacker could cause a use-after-free when accessibility is enabled, leading to a potentially exploitable crash. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially... • https://bugzilla.mozilla.org/show_bug.cgi?id=1919087 • CWE-416: Use After Free •

CVSS: 9.8EPSS: 0%CPEs: 3EXPL: 0

29 Oct 2024 — A permission leak could have occurred from a trusted site to an untrusted site via `embed` or `object` elements. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Firefox ESR < 115.17, Thunderbird < 128.4, and Thunderbird < 132. The Mozilla Foundation's Security Advisory: A permission leak could occur from a trusted site to an untrusted site via `embed` or `object` elements. An update for thunderbird is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red... • https://bugzilla.mozilla.org/show_bug.cgi?id=1921733 • CWE-280: Improper Handling of Insufficient Permissions or Privileges CWE-281: Improper Preservation of Permissions •

CVSS: 10.0EPSS: 11%CPEs: 36EXPL: 2

09 Oct 2024 — An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, and Firefox ESR < 115.16.1. An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. • https://github.com/tdonaworth/Firefox-CVE-2024-9680 • CWE-416: Use After Free •

CVSS: 10.0EPSS: 0%CPEs: 32EXPL: 0

01 Oct 2024 — Memory safety bugs present in Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2. 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 < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131. A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the issue as follows: Memory safety bugs are present in Firefox 130, Firefox ESR... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1872744%2C1897792%2C1911317%2C1913445%2C1914106%2C1914475%2C1914963%2C1915008%2C1916476 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 10.0EPSS: 0%CPEs: 34EXPL: 0

01 Oct 2024 — Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2, and Thunderbird 128.2. 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 < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131. The Mozilla Foundation's Security Advisory: Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 1... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1872744%2C1897792%2C1911317%2C1916476 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 8.8EPSS: 0%CPEs: 32EXPL: 0

01 Oct 2024 — A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger an OOM at a specific moment during JIT compilation. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131. The Mozilla Foundation's Security Advisory: A potential memory corruption vulnerability could be triggered if an attacker has the ability to trigger an OOM at a specific moment during JIT compilation. Multiple vulnerabilities have been discovered i... • https://bugzilla.mozilla.org/show_bug.cgi?id=1915249 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-789: Memory Allocation with Excessive Size Value •

CVSS: 10.0EPSS: 1%CPEs: 33EXPL: 0

01 Oct 2024 — A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131. The Mozilla Foundation's Security Advisory: A website configured to initiate a specially crafted WebTransport session could crash the Firefox process, leading to a denial of service condition. Multiple vulnerabilities have been discovered in Mozilla Thunder... • https://bugzilla.mozilla.org/show_bug.cgi?id=1907726 • CWE-404: Improper Resource Shutdown or Release CWE-754: Improper Check for Unusual or Exceptional Conditions •

CVSS: 5.3EPSS: 0%CPEs: 31EXPL: 0

01 Oct 2024 — By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131. The Mozilla Foundation's Security Advisory: By checking the result of calls to window.open with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handl... • https://bugzilla.mozilla.org/show_bug.cgi?id=1881037 • CWE-203: Observable Discrepancy •

CVSS: 6.4EPSS: 0%CPEs: 31EXPL: 0

01 Oct 2024 — A missing delay in directory upload UI could have made it possible for an attacker to trick a user into granting permission via clickjacking. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131. A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the issue as follows: A missing delay in directory upload UI could have made it possible for an attacker to trick a user into granting permission via clickjacking. Multiple security... • https://bugzilla.mozilla.org/show_bug.cgi?id=1916659 • CWE-1021: Improper Restriction of Rendered UI Layers or Frames •