What’s Vulnerable › Vulnerabilities

CVE-2023-33863

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-07 · updated 2026-06-17
• Weakness: CWE-190

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.

Affected products

• Renderdoc: before 1.27 — fixed in 1.27

How to fix

Upgrade to a fixed version: Renderdoc 1.27. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/172804/RenderDoc-1.26-Local-Privilege-Escalation-Remote-Code-Execution.html
• http://seclists.org/fulldisclosure/2023/Jun/2
• https://lists.debian.org/debian-lts-announce/2023/07/msg00023.html
• https://renderdoc.org/
• https://security.gentoo.org/glsa/202311-10
• https://www.qualys.com/2023/06/06/renderdoc/renderdoc.txt
• http://packetstormsecurity.com/files/172804/RenderDoc-1.26-Local-Privilege-Escalation-Remote-Code-Execution.html
• http://seclists.org/fulldisclosure/2023/Jun/2
• https://lists.debian.org/debian-lts-announce/2023/07/msg00023.html
• https://lists.debian.org/debian-lts-announce/2024/12/msg00008.html
• https://renderdoc.org/
• https://security.gentoo.org/glsa/202311-10

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