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CVE-2023-4576

Date: September 11, 2023

On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

Language: C++

Severity Score

Related Resources (10)

https://www.mozilla.org/security/advisories/mfsa2023-35/
https://www.mozilla.org/security/advisories/mfsa2023-34/
https://www.mozilla.org/security/advisories/mfsa2023-37/
https://www.mozilla.org/security/advisories/mfsa2023-36/
https://nvd.nist.gov/vuln/detail/CVE-2023-4576
https://www.mozilla.org/security/advisories/mfsa2023-38/
https://www.mozilla.org/en-US/security/advisories/mfsa2023-34/
https://github.com/mozilla/gecko-dev/commit/967de2ef024bac1b79a1a31817ace0d0b0ed9fb1
https://bugzilla.mozilla.org/show_bug.cgi?id=1846694
https://www.mend.io/vulnerability-database/CVE-2023-4576

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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