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
SerialiseValue in RenderDoc before 1.27 allows an Integer Overflow with a resultant Buffer Overflow. 0xffffffff is sign-extended to 0xffffffffffffffff (SIZE_MAX) and then there is an attempt to add 1.
Technical details
- Published
- 2023-06-07
Frequently asked questions
What is CVE-2023-33863?
SerialiseValue in RenderDoc before 1.27 allows an Integer Overflow with a resultant Buffer Overflow. 0xffffffff is sign-extended to 0xffffffffffffffff (SIZE_MAX) and then there is an attempt to add 1.
Is CVE-2023-33863 actively exploited?
Active exploitation of CVE-2023-33863 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-2023-33863?
CVE-2023-33863 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-33863 affecting your environment?
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