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CVSS: 5.3EPSS: 0%CPEs: 1EXPL: 0

15 May 2023 — Service workers could reveal script base URL due to dynamic `import()`. This vulnerability affects Firefox < 113. USN-6074-1 fixed vulnerabilities and USN-6074-2 fixed minor regressions in Firefox. The update introduced several minor regressions. This update fixes the problem. • https://bugzilla.mozilla.org/show_bug.cgi?id=1646034 •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0

15 May 2023 — A maliciously crafted favicon could have led to an out of memory crash. This vulnerability affects Firefox < 113. USN-6074-1 fixed vulnerabilities and USN-6074-2 fixed minor regressions in Firefox. The update introduced several minor regressions. This update fixes the problem. • https://bugzilla.mozilla.org/show_bug.cgi?id=1767194 • CWE-787: Out-of-bounds Write •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0

15 May 2023 — Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal. In certain circumstances it might have been possible to cause a document to be loaded with a higher privileged principal than intended. This vulnerability affects Firefox < 113. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obta... • https://bugzilla.mozilla.org/show_bug.cgi?id=1776755 •

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

11 May 2023 — In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. The Mozilla Foundation Security Advisory describes this flaw as: In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks. • https://bugzilla.mozilla.org/show_bug.cgi?id=1753339 • CWE-451: User Interface (UI) Misrepresentation of Critical Information •

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

11 May 2023 — An out-of-bound read could have led to a crash in the RLBox Expat driver. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. The Mozilla Foundation Security Advisory describes this flaw as: An out-of-bound read could have led to a crash in the RLBox Expat driver. USN-6074-1 fixed vulnerabilities and USN-6074-2 fixed minor regressions in Firefox. The update introduced several minor regressions. • https://bugzilla.mozilla.org/show_bug.cgi?id=1824892 • CWE-125: Out-of-bounds Read •

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

11 May 2023 — A type checking bug would have led to invalid code being compiled. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. The Mozilla Foundation Security Advisory describes this flaw as: A type checking bug would have led to invalid code being compiled. Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtai... • https://bugzilla.mozilla.org/show_bug.cgi?id=1823379 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 6.1EPSS: 0%CPEs: 3EXPL: 0

11 May 2023 — An attacker could have positioned a datalist element to obscure the address bar. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. The Mozilla Foundation Security Advisory describes this flaw as: An attacker could have positioned a `datalist` element to obscure the address bar. Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploi... • https://bugzilla.mozilla.org/show_bug.cgi?id=1826622 • CWE-345: Insufficient Verification of Data Authenticity •

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

11 May 2023 — When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. The Mozilla Foundation Security Advisory describes this flaw as: When reading a file, an uninitialized value could have been used as read limit. USN-6074-1 fixed vulnerabilities and USN-6074-2 fixed minor regressions in Firefox. The update introduced several minor regressions. • https://bugzilla.mozilla.org/show_bug.cgi?id=1826666 • CWE-457: Use of Uninitialized Variable CWE-908: Use of Uninitialized Resource •

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

11 May 2023 — Memory safety bugs present in Firefox 112 and Firefox ESR 102.10. 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 < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developers and community members reported memory safety bugs present in Firefox 112 and Firefox ESR 102.10. Some of these bug... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1540883%2C1751943%2C1814856%2C1820210%2C1821480%2C1827019%2C1827024%2C1827144%2C1827359%2C1830186 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •

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

11 May 2023 — A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. The Mozilla Foundation Security Advisory describes this flaw as: A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions. USN-6074-1 fixed vulnerabilities and USN-6074-2 fixed minor regressions in Firefox. The update introduced... • https://bugzilla.mozilla.org/show_bug.cgi?id=1826116 • CWE-280: Improper Handling of Insufficient Permissions or Privileges CWE-290: Authentication Bypass by Spoofing •