CVE-2003-0649: Buffer overflow in xpcd-svga for xpcd 2.08 and earlier allows local users to execute arbitrary code via a long

Q: How do I fix CVE-2003-0649?

xpcd: upgrade to newer than 2.08. Exact commands for each OS are on this page.

Q: Is CVE-2003-0649 being exploited?

CVE-2003-0649 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-2003-0649 affect?

CVE-2003-0649 affects xpcd. Severity is high (CVSS 7.2). Buffer overflow in xpcd-svga for xpcd 2.08 and earlier allows local users to execute arbitrary code via a long HOME environment variable.

Q: How urgent is CVE-2003-0649?

Priority 46/100. High severity; Public exploit reference

This month

HIGH 7.2UPGRADE

CVE-2003-0649 is a high-severity flaw (CVSS 7.2) affecting xpcd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in xpcd-svga for xpcd 2.08 and earlier allows local users to execute arbitrary code via a long HOME environment variable.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Published	2003-08-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xpcd

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

Am I affected?

Timeline

2003-08-27 04:00 UTCPublished CVE record published
2026-06-16 22:02 UTCUpdated Record last modified

xpcd xpcd UPGRADE

Affected: <= 2.08

Fixed in: newer than 2.08

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.08 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xpcd

Note

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

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: XPCD 2.0.8 - 'HOME Environment' 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-2003-0649?

xpcd: upgrade to newer than 2.08. Exact commands for each OS are on this page.

Is CVE-2003-0649 being exploited?

CVE-2003-0649 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-2003-0649 affect?

CVE-2003-0649 affects xpcd. Severity is high (CVSS 7.2). Buffer overflow in xpcd-svga for xpcd 2.08 and earlier allows local users to execute arbitrary code via a long HOME environment variable.

How urgent is CVE-2003-0649?

Priority 46/100. High severity; Public exploit reference

Related CVEs

CVE-2005-0074 HIGH 7.2 DOWNGRADE Buffer overflow in pcdsvgaview in xpcd 2.08 allows local users to execute arbitrary code.
CVE-2004-0402 MEDIUM 4.6 DOWNGRADE MITIGATE Buffer overflow in xpcd-svga in xpcd before 2.08, and possibly other versions, may allow local users to execut

References

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