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Vulnerability · NVD

CVE-2023-6205

CVE-2023-6205, rated medium by the vendor: 2 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS)
6.5

Base CVSS ; severity is a vendor rating (different scale)

Exploitation
0.9 %

EPSS, predicted over 30 days

Tracked apps
2
Still exposed
0
Vendor bulletin scale : NVD CVSS pending

It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Attack vector : Network No privileges required
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS 0.87% above median percentile 57.1%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Vulnerable CPE configurations (2)
Vendor Product Versions
mozilla firefox
All platforms (wildcard)
<120.0
mozilla thunderbird
All platforms (wildcard)
<115.5
View on NVD ↗ Advisory · www.mozilla.org

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