CVE-2003-0613: Buffer overflow in zblast-svgalib of zblast 1.2.1 and earlier allows local users to execute arbitrary code via

Q: How do I fix CVE-2003-0613?

zblast: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2003-0613 being exploited?

CVE-2003-0613 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-2003-0613 affect?

CVE-2003-0613 affects zblast. Severity is medium (CVSS 4.6). Buffer overflow in zblast-svgalib of zblast 1.2.1 and earlier allows local users to execute arbitrary code via the high score file.

Q: How urgent is CVE-2003-0613?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 4.6UPGRADE

CVE-2003-0613 is a medium-severity flaw (CVSS 4.6) affecting zblast. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in zblast-svgalib of zblast 1.2.1 and earlier allows local users to execute arbitrary code via the high score file.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Published	2003-08-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: zblast

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

zblast zblast UPGRADE

Affected: <= 1.2.1

Fixed in: newer than 1.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.2.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zblast

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-2003-0613?

zblast: upgrade to newer than 1.2.1. Exact commands for each OS are on this page.

Is CVE-2003-0613 being exploited?

CVE-2003-0613 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-2003-0613 affect?

CVE-2003-0613 affects zblast. Severity is medium (CVSS 4.6). Buffer overflow in zblast-svgalib of zblast 1.2.1 and earlier allows local users to execute arbitrary code via the high score file.

How urgent is CVE-2003-0613?

Priority 26/100. No elevated risk signals yet.

References

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