Integer overflow in Renderdoc

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.

Vulnerability class: Integer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.042 (90.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-33863: rose from 0.036 to 0.042.

EPSS over last 30 days · oldest: 0.036 · newest: 0.042 · change: +0.005

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-33863?
CVE-2023-33863 is a critical-severity vulnerability in Renderdoc, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2023-06-07.
How severe is CVE-2023-33863?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-33863 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.