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CRITICAL

CVE-2023-33864

CVSS v3

9.8

CRITICAL

EPSS Score

4.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

StreamReader::ReadFromExternal in RenderDoc before 1.27 allows an Integer Overflow with a resultant Buffer Overflow. It uses uint32_t(m_BufferSize-m_InputSize) even though m_InputSize can exceed m_BufferSize.

Technical details

Published
2023-06-07

Frequently asked questions

What is CVE-2023-33864?

StreamReader::ReadFromExternal in RenderDoc before 1.27 allows an Integer Overflow with a resultant Buffer Overflow. It uses uint32_t(m_BufferSize-m_InputSize) even though m_InputSize can exceed m_BufferSize.

Is CVE-2023-33864 actively exploited?

Active exploitation of CVE-2023-33864 has not been confirmed. Its EPSS score was 4.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-33864?

CVE-2023-33864 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-33864 affecting your environment?

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