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GHSA-q6m5-f73j-m9mc

CriticalCVSS 9.3 / 10
Published Jun 15, 2026·Last modified Jun 15, 2026
Affected Components(0)

No affected components available

Description

Impact

Most apps will crash and some may perform incorrect buffer allocations in the Node.js Buffer API resulting in unexpected truncation or allocation.

Workarounds

No workarounds. Do not use these impacted Electron releases

Fixed Versions

  • 42.3.3

For more information

If you have any questions or comments about this advisory, email us at security@electronjs.org

Risk Scores
Base Score
9.3

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
8.1

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
0.25%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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