CVE-2001-0762: Buffer overflow in su-wrapper 1.1.1 allows local users to execute arbitrary code via a long first argument.

Routine

MEDIUM 4.6DOWNGRADE

CVE-2001-0762 is a medium-severity flaw (CVSS 4.6) affecting su-wrapper. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in su-wrapper 1.1.1 allows local users to execute arbitrary code via a long first argument.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Published	2001-10-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: su-wrapper

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

Am I affected?

Timeline

2001-10-18 04:00 UTCPublished CVE record published
2026-06-16 21:54 UTCUpdated Record last modified

su-wrapper su-wrapper DOWNGRADE

Affected: 1.1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.1

1. Check installed version

apt-cache policy su-wrapper || rpm -q su-wrapper || su-wrapper --version

2. No fixed release: DOWNGRADE to a release before 1.1.1 (Debian / Ubuntu)

apt-cache madison su-wrapper sudo apt install su-wrapper=<VERSION_BEFORE_1.1.1> sudo apt-mark hold su-wrapper

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

dnf --showduplicates list su-wrapper sudo dnf downgrade su-wrapper-<VERSION_BEFORE_1.1.1> sudo dnf versionlock add su-wrapper

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: kosch suid wrapper 1.1.1 - 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-2001-0762?

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

Is CVE-2001-0762 being exploited?

CVE-2001-0762 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-2001-0762 affect?

CVE-2001-0762 affects su-wrapper. Severity is medium (CVSS 4.6). Buffer overflow in su-wrapper 1.1.1 allows local users to execute arbitrary code via a long first argument.

How urgent is CVE-2001-0762?

Priority 36/100. Public exploit reference

References

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