CVE-2001-1027: Buffer overflow in WindowMaker (aka wmaker) 0.64 and earlier allows remote attackers to execute arbitrary code

Q: How do I fix CVE-2001-1027?

windowmaker: upgrade to newer than 0.64. Exact commands for each OS are on this page.

Q: Is CVE-2001-1027 being exploited?

CVE-2001-1027 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2001-1027 affect?

CVE-2001-1027 affects windowmaker. Severity is high (CVSS 10.0). Buffer overflow in WindowMaker (aka wmaker) 0.64 and earlier allows remote attackers to execute arbitrary code via a long window title.

Q: How urgent is CVE-2001-1027?

Priority 58/100. Critical severity; EPSS top 6%: very likely to be exploited

This month

HIGH 10.0UPGRADE

CVE-2001-1027 is a high-severity flaw (CVSS 10.0) affecting windowmaker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in WindowMaker (aka wmaker) 0.64 and earlier allows remote attackers to execute arbitrary code via a long window title.

Why this priority

Critical severity
EPSS top 6%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	6.4% (top 6%)
CISA exploited list	No
Published	2001-08-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: windowmaker

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

Am I affected?

Timeline

2001-08-31 04:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

windowmaker windowmaker UPGRADE

Affected: <= 0.64 · 0.60 · 0.61 · 0.61.1 · 0.62 · 0.62.1 · 0.63 · 0.63.1

Fixed in: newer than 0.64

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.64 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade windowmaker

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade windowmaker

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2001-1027?

windowmaker: upgrade to newer than 0.64. Exact commands for each OS are on this page.

Is CVE-2001-1027 being exploited?

CVE-2001-1027 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-2001-1027 affect?

CVE-2001-1027 affects windowmaker. Severity is high (CVSS 10.0). Buffer overflow in WindowMaker (aka wmaker) 0.64 and earlier allows remote attackers to execute arbitrary code via a long window title.

How urgent is CVE-2001-1027?

Priority 58/100. Critical severity; EPSS top 6%: very likely to be exploited

Related CVEs

CVE-2004-2714 MEDIUM 6.0 DOWNGRADE Unspecified vulnerability in Window Maker 0.80.2 and earlier allows attackers to perform unknown actions via f
CVE-2002-1277 HIGH 7.5 DOWNGRADE Buffer overflow in Window Maker (wmaker) 0.80.0 and earlier may allow remote attackers to execute arbitrary co
CVE-1999-1064 HIGH 10.0 UPGRADE Multiple buffer overflows in WindowMaker 0.52 through 0.60.0 allow attackers to cause a denial of service and

References

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