CVE-2001-1015: Buffer overflow in Snes9x 1.37, when installed setuid root, allows local users to gain root privileges via a l

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HIGH 7.2DOWNGRADE

CVE-2001-1015 is a high-severity flaw (CVSS 7.2) affecting snes9x. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Snes9x 1.37, when installed setuid root, allows local users to gain root privileges via a long command line argument.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Published	2001-10-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: snes9x.com

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2001-10-16 04:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

snes9x.com snes9x DOWNGRADE

Affected: 1.3.4 · 1.3.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.4

1. Check installed version

apt-cache policy snes9x || rpm -q snes9x || snes9x --version

2. No fixed release: DOWNGRADE to a release before 1.3.4 (Debian / Ubuntu)

apt-cache madison snes9x sudo apt install snes9x=<VERSION_BEFORE_1.3.4> sudo apt-mark hold snes9x

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

dnf --showduplicates list snes9x sudo dnf downgrade snes9x-<VERSION_BEFORE_1.3.4> sudo dnf versionlock add snes9x

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.

Public exploits and detection

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

Exploit-DB: Snes9x 1.3 - Local Buffer Overflow

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-2001-1015?

snes9x: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2001-1015 being exploited?

CVE-2001-1015 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-2001-1015 affect?

CVE-2001-1015 affects snes9x. Severity is high (CVSS 7.2). Buffer overflow in Snes9x 1.37, when installed setuid root, allows local users to gain root privileges via a long command line argument.

How urgent is CVE-2001-1015?

Priority 49/100. High severity; Public exploit reference

References

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