CVE-2026-6767

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 71/100
Published: 2026-04-21 Modified: 2026-10-26 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: None
A: None

Description

Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
mozilla firefox < 115.35.0
mozilla firefox < 150.0
mozilla firefox 140.0 – 140.10.0
mozilla thunderbird 140.0 – 140.10.0

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:L/I:N/A:N

EPSS — Exploitation Probability

0.23%
Raw Score 0.002270
Percentile 13.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00227
2026-10-28
0.00227

Intelligence Sources

nvd ref →