CVE-2023-33863

Renderdoc vulnerability

CVSS

9.8

EPSS

3.6%

EPSS pct

88th

Exploited

No known

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 vendor

Renderdoc

Affected product

Renderdoc

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-190 — Integer Overflow or Wraparound

Published

2023-06-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2023-33863

Confirm whether Renderdoc Renderdoc is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-33863.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-33863

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-33863 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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