CVE-2023-53874: GOM Player 2.3.90.5360 contains a buffer overflow vulnerability in the equalizer preset name input field that

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-53874 is a critical-severity flaw (CVSS 9.8) affecting gom player. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-120
Published	2025-12-15
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: gomlab

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

Am I affected?

Timeline

2025-12-15 21:15 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

gomlab gom player DOWNGRADE

Affected: 2.3.90.5360

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.90.5360

1. Check installed version

apt-cache policy gom-player || rpm -q gom-player || gom-player --version

2. No fixed release: DOWNGRADE to a release before 2.3.90.5360 (Debian / Ubuntu)

apt-cache madison gom-player sudo apt install gom-player=<VERSION_BEFORE_2.3.90.5360> sudo apt-mark hold gom-player

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

dnf --showduplicates list gom-player sudo dnf downgrade gom-player-<VERSION_BEFORE_2.3.90.5360> sudo dnf versionlock add gom-player

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · php-pecl-yac · FIXED · 3.0.2-1.fc46 · FEDORA-2026-0322a78385 · source

sudo dnf upgrade --advisory=FEDORA-2026-0322a78385

Fedora ELN · openldap · FIXED · 2.6.16-1.eln159 · FEDORA-2026-4b30c86326 · source

sudo dnf upgrade --advisory=FEDORA-2026-4b30c86326

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.exploit-db.com/exploits/51724

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-2023-53874?

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

Is CVE-2023-53874 being exploited?

CVE-2023-53874 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-2023-53874 affect?

CVE-2023-53874 affects gom player. Severity is critical (CVSS 9.8). 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 ove

How urgent is CVE-2023-53874?

Priority 55/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-53875 HIGH 8.8 DOWNGRADE GOM Player 2.3.90.5360 contains a remote code execution vulnerability in its Internet Explorer component that

References

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