Buffer overflow in Gomlab Gom Player

CVE-2023-53874

GOM Player 2.3.90.5360 contains a buffer overflow vulnerability in the equalizer preset name input field that allows attackers to crash the application. Attackers can overwrite the preset name with 260 'A' characters to trigger a buffer overflow and cause application instability.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53874?
CVE-2023-53874 is a critical-severity vulnerability in Gomlab Gom Player, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-12-15.
How severe is CVE-2023-53874?
Critical severity. CVSS v3 base score is 9.8 out of 10.