CVE-2026-6777

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 71/100
Published: 2026-04-21 Modified: 2026-10-25 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: None
I: None
A: Low

Description

Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Weakness Classification (3)

Affected Software (2)

VendorProductVersion
mozilla firefox < 150.0
mozilla thunderbird < 150.0

Bug Bounty Relevance

71 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

5.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS — Exploitation Probability

0.16%
Raw Score 0.001610
Percentile 5.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00161
2026-10-28
0.00161

Intelligence Sources

nvd ref →