CVE-2023-33863
CWE-190Published: June 7, 2023· Updated: Jun 17, 2026
Official 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.
Risk Analysis
An integer overflow in the SerialiseValue function of RenderDoc leads to a buffer overflow. This critical vulnerability could be exploited to achieve remote code execution. Immediate patching is recommended due to the high CVSS score.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low attack complexity.
Upgrade to RenderDoc version 1.27 or later to address the memory corruption vulnerability.
Technical Analysis
CVE-2023-33863 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (13)
Quick Facts
Related CVEs (CWE-190)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-33863 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts