Dashboard / CVE-2026-16361

CVE-2026-16361

CRITICAL
INFO Priority: 0.06 BB Relevance: 80/100
Published: 2026-07-21 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mozilla firefox < 115.38.0
mozilla firefox 128.1.0 – 140.13.0
mozilla thunderbird < 140.13.0

References & Advisories (4)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.57%
Raw Score 0.005700
Percentile 47.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00570
2026-10-28
0.00570

Intelligence Sources

nvd ref →

External Links