Dashboard / CVE-2023-25739

CVE-2023-25739

HIGH
MEDIUM Priority: 0.06 BB Relevance: 68/100
Published: 2023-06-02 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: High
I: High
A: High

Description

Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-free in <code>ScriptLoadContext</code>. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mozilla firefox < 110.0
mozilla firefox_esr < 102.8
mozilla thunderbird < 102.8

References & Advisories (4)

https://bugzilla.mozilla.org/show_bug.cgi?id=1811939
Issue Tracking Permissions Required

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.68%
Raw Score 0.006820
Percentile 52.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00682
2026-10-28
0.00682

Intelligence Sources

nvd ref →

External Links