How severe is CVE-2003-0535?

CVE-2003-0535 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2003-0535 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0535?

CVE-2003-0535 primarily affects Xblockout Xbl. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0535?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2003-0535 published?

CVE-2003-0535 was published on 2003-08-18 and last updated on 2026-06-16.

CVE-2003-0535

CVE-2003-0535 is a high-severity vulnerability in Xblockout Xbl with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Xblockout Xbl
Published: 2003-08-18
Last modified: 2026-06-16

Description

Buffer overflow in xbl 1.0k and earlier allows local users to gain privileges via a long -display command line option.

Frequently asked questions

What is CVE-2003-0535?: Buffer overflow in xbl 1.0k and earlier allows local users to gain privileges via a long -display command line option.
How severe is CVE-2003-0535?: CVE-2003-0535 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2003-0535 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0535?: CVE-2003-0535 primarily affects Xblockout Xbl. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0535?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0535 published?: CVE-2003-0535 was published on 2003-08-18 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:xblockout:xbl:1.0i:*:*:*:*:*:*:*
cpe:2.3:a:xblockout:xbl:1.0k:*:*:*:*:*:*:*
cpe:2.3:a:xblockout:xbl:1.1:*:*:*:*:*:*:*

More vulnerabilities in Xblockout Xbl

CVE-2003-0451 — Medium (CVSS 4.6): Multiple buffer overflows in xbl before 1.0k allow local users to gain privileges via certain long command line…

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