CVE-2023-34561: A buffer overflow in the level parsing code of RobTop Games AB Geometry Dash v2.113 allows attackers to execut

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-34561 is a critical-severity flaw (CVSS 9.8) affecting geometry dash. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A buffer overflow in the level parsing code of RobTop Games AB Geometry Dash v2.113 allows attackers to execute arbitrary code via entering a Geometry Dash level.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-120
Published	2023-07-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: robtopgames

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-07-11 13:15 UTCPublished CVE record published
2026-06-17 06:03 UTCUpdated Record last modified

robtopgames geometry dash DOWNGRADE

Affected: 2.113

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.113

1. Check installed version

apt-cache policy geometry-dash || rpm -q geometry-dash || geometry-dash --version

2. No fixed release: DOWNGRADE to a release before 2.113 (Debian / Ubuntu)

apt-cache madison geometry-dash sudo apt install geometry-dash=<VERSION_BEFORE_2.113> sudo apt-mark hold geometry-dash

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list geometry-dash sudo dnf downgrade geometry-dash-<VERSION_BEFORE_2.113> sudo dnf versionlock add geometry-dash

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-34561?

geometry dash: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-34561 being exploited?

CVE-2023-34561 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-34561 affect?

CVE-2023-34561 affects geometry dash. Severity is critical (CVSS 9.8). A buffer overflow in the level parsing code of RobTop Games AB Geometry Dash v2.113 allows attackers to execute arbitrary code via entering a Geometry Dash level.

How urgent is CVE-2023-34561?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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