CVE-2023-25751

Mozilla: Incorrect code generation during JIT compilation

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · March 14, 2023

Updated · November 22, 2025

Description

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of invalidating JIT code while following an iterator. The newly generated code could be overwritten incorrectly, leading to a potentially exploitable crash.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-94 · Improper Control of Generation of Code ('Code Injection')