Dashboard / CVE-2026-12321

CVE-2026-12321

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 61/100
Published: 2026-06-16 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

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

Description

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
mozilla firefox < 152.0.0
mozilla thunderbird < 152.0.0

References & Advisories (3)

Bug Bounty Relevance

61 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS — Exploitation Probability

0.16%
Raw Score 0.001590
Percentile 5.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00159
2026-10-28
0.00159

Intelligence Sources

nvd ref →

External Links