Dashboard / CVE-2026-16360

CVE-2026-16360

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 and Thunderbird 152. 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 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mozilla firefox < 115.38.0
mozilla firefox < 153.0.0
mozilla thunderbird < 140.13.0

References & Advisories (7)

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

0.61%
Raw Score 0.006090
Percentile 49.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00609
2026-10-28
0.00609

Intelligence Sources

nvd ref →

External Links