Dashboard / CVE-2026-117870

CVE-2026-117870

HIGH
MEDIUM Priority: 0.01 BB Relevance: 75/100
Published: 2026-10-27 Modified: 2026-11-04 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Weakness Classification (1)

References & Advisories (6)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploitation Probability

0.19%
Raw Score 0.001870
Percentile 8.4%
Date 2026-11-04

EPSS Trend

2026-11-04
0.00187
2026-11-03
0.00187
2026-11-02
0.00187
2026-11-01
0.00187
2026-10-31
0.00187
2026-10-30
0.00187
2026-10-29
0.00187
2026-10-28
0.00187

Intelligence Sources

mitre ref →
nvd ref →

External Links