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CVE-2023-4582

Date: September 11, 2023

Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occured when allocating too much private shader memory on mac OS. *This bug only affects Firefox on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

Language: C++

Severity Score

Related Resources (8)

https://www.mozilla.org/security/advisories/mfsa2023-34/
https://github.com/mozilla/gecko-dev/commit/bf746a6ab3b2f506eca336f561d5323cb85b708d
https://www.mozilla.org/security/advisories/mfsa2023-36/
https://www.mozilla.org/security/advisories/mfsa2023-38/
https://nvd.nist.gov/vuln/detail/CVE-2023-4582
https://www.mozilla.org/en-US/security/advisories/mfsa2023-34/
https://bugzilla.mozilla.org/show_bug.cgi?id=1773874
https://www.mend.io/vulnerability-database/CVE-2023-4582

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

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

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