CVE-2003-1393: Buffer overflow in Gupta SQLBase 8.1.0 allows remote attackers to cause a denial of service and possibly execu

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HIGH 8.5DOWNGRADE

CVE-2003-1393 is a high-severity flaw (CVSS 8.5) affecting sqlbase. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Gupta SQLBase 8.1.0 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long EXECUTE command.

Why this priority

High severity

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

Risk facts

CVSS score	8.5 (High)
EPSS exploit chance	3.5% (top 11%)
CISA exploited list	No
Weakness	CWE-119
Published	2003-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gupta technologies

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

Am I affected?

Timeline

2003-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:04 UTCUpdated Record last modified

gupta technologies sqlbase DOWNGRADE

Affected: 8.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.1.0 (Debian / Ubuntu)

apt-cache madison sqlbase sudo apt install sqlbase=<VERSION_BEFORE_8.1.0> sudo apt-mark hold sqlbase

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

dnf --showduplicates list sqlbase sudo dnf downgrade sqlbase-<VERSION_BEFORE_8.1.0> sudo dnf versionlock add sqlbase

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.

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-2003-1393?

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

Is CVE-2003-1393 being exploited?

CVE-2003-1393 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-2003-1393 affect?

CVE-2003-1393 affects sqlbase. Severity is high (CVSS 8.5). Buffer overflow in Gupta SQLBase 8.1.0 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long EXECUTE command.

How urgent is CVE-2003-1393?

Priority 52/100. High severity

References

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