CVE-2023-33863

CRITICALNVD 9.89.8—

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 56.4%
KEV: Not listed

Published

June 7, 2023

Last Modified

November 3, 2025

Advisory Details (6)

Auto-updated Jun 1, 2026

🔬 Proof of concept available. Patch available.

generic Patch Available

[SECURITY] [DLA 3987-1] renderdoc security update

https://lists.debian.org/debian-lts-announce/2024/12/msg00008.html

generic Patch Available

[SECURITY] [DLA 3501-1] renderdoc security update

https://lists.debian.org/debian-lts-announce/2023/07/msg00023.html

generic🟡 PoC Available

Full Disclosure: LPE and RCE in RenderDoc: CVE-2023-33865, CVE-2023-33864, CVE-2023-33863

http://seclists.org/fulldisclosure/2023/Jun/2

generic🟡 PoC Available

https://www.qualys.com/2023/06/06/renderdoc/renderdoc.txt

generic

RenderDoc: Multiple Vulnerabilities (GLSA 202311-10) — Gentoo security

https://security.gentoo.org/glsa/202311-10

generic

RenderDoc

https://renderdoc.org/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-190Integer Overflow or Wraparound

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2023-33863?

CVE-2023-33863 is a critical vulnerability published on June 7, 2023. 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.

When was CVE-2023-33863 disclosed?

CVE-2023-33863 was first published in the National Vulnerability Database on June 7, 2023, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-33863 actively exploited?

CVE-2023-33863 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-33863?

CVE-2023-33863 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-33863?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-33863, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-33863

📅 Published

🔄 Last Modified

📋 Advisory Details (6)