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Fencer Vulns
critical 9.8

CVE-2023-34561 json

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

published 2023-07-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38616

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.63% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • youtube.com https://www.youtube.com/watch?v=DMxucOWfLPc referenced PoC, tagged "exploit" by a source, unverified
  • youtube.com https://www.youtube.com/watch?v=kAeJvY6BBps referenced PoC, tagged "exploit" by a source, unverified
  • youtube.com https://www.youtube.com/watch?v=ev0VXbiduuQ referenced PoC, tagged "exploit" by a source, unverified
  • youtube.com https://www.youtube.com/watch?v=u7eXBr4HkKQ referenced PoC, tagged "exploit" by a source, unverified
  • youtube.com https://www.youtube.com/watch?v=RGMeWPchScg referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/meltah/gd-rce referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.