CVE-2023-33863

RenderDoc through 1.26 allows an Integer Overflow with a resultant Buffer Overflow (issue 1 of 2).

9.8 CriticalFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

4.19%Up 4.1 points since Jun 8, 2023

What each source reports

NVD Score used 9.8

Record: CVE-2023-33863
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-190
Updated: 2026-11-02

CVE List 9.8

Record: CVE-2023-33863
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-190
Updated: 2026-11-02

EUVDEUVD-2023-38013 9.8

Record: EUVD-2023-38013
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-v9pp-h525-vwm9 9.8

RenderDoc through 1.26 allows an Integer Overflow with a resultant Buffer Overflow (issue 1 of 2).

RenderDoc through 1.26 allows an Integer Overflow with a resultant Buffer Overflow (issue 1 of 2).

Record: GHSA-v9pp-h525-vwm9
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-190
Updated: 2026-11-02

OSV 9.8

Record: CVE-2023-33863
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

OSVDEBIAN-CVE-2023-33863 9.8

Record: DEBIAN-CVE-2023-33863
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-33863 9.8

Record: UBUNTU-CVE-2023-33863
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVopenSUSE-SU-2023:0253-1 No score

Security update for renderdoc

This update for renderdoc fixes the following issues:

Security issues fixed:

CVE-2023-33863: integer overflow to heap-based buffer overflow
CVE-2023-33864: integer underflow to heap-based buffer overflow
CVE-2023-33865: symlink vulnerability in /tmp/RenderDoc

Record: openSUSE-SU-2023:0253-1
Updated: 2026-11-02

OSVopenSUSE-SU-2024:12986-1 No score

renderdoc-1.27-1.1 on GA media

These are all security issues fixed in the renderdoc-1.27-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:12986-1
Updated: 2026-11-02

Affected products

renderdoc

Affected packages

Affected packages
Package	Affected	Fixed
`renderdoc` Debian:12	before 1.24+dfsg-1+deb12u1, plus listed versions 1.24+dfsg-1	1.24+dfsg-1+deb12u1
`renderdoc` Debian:10 From an advisory covering 3 CVEs	before 1.2+dfsg-2+deb10u1, plus listed versions 1.2+dfsg-2	1.2+dfsg-2+deb10u1
`renderdoc` Debian:11 From an advisory covering 3 CVEs	before 1.11+dfsg-5+deb11u1, plus listed versions 1.11+dfsg-5	1.11+dfsg-5+deb11u1
`renderdoc` Ubuntu:20.04:LTS	All versions, plus listed versions 1.4+dfsg-11.5+dfsg-11.5+dfsg-21.6+dfsg-11.6+dfsg-1build11.6+dfsg-1build2	None known
`renderdoc` Ubuntu:22.04:LTS	All versions, plus listed versions 1.11+dfsg-51.15+dfsg-11.16+dfsg-11.16+dfsg-1build11.18+dfsg-1	None known
`renderdoc` SUSE:Package Hub 15 SP5 From an advisory covering 3 CVEs	before 1.24-bp155.2.3.1	1.24-bp155.2.3.1
`renderdoc` openSUSE:Leap 15.5 From an advisory covering 3 CVEs	before 1.24-bp155.2.3.1	1.24-bp155.2.3.1
`renderdoc` openSUSE:Tumbleweed From an advisory covering 3 CVEs	before 1.27-1.1	1.27-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-33863 is a critical vulnerability (CVSS 9.8) in Renderdoc, published June 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.19%, the 90th percentile. Fixed in renderdoc 1.24+dfsg-1+deb12u1.

References

Show 20 moreShow less