Cyber Resilience

CVE-2023-33863

CriticalPublic PoC

Published: 07 June 2023

Published
07 June 2023
Modified
03 November 2025
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0033 56.4th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-33863 is a critical-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Renderdoc Renderdoc. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 43.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-190

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

renderdoc
renderdoc
≤ 1.27

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References