How severe is CVE-2004-0740?

CVE-2004-0740 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-0740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0740?

CVE-2004-0740 affects Lexmark T522 Network Printer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-0740?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2004-0740 published?

CVE-2004-0740 was published on 2004-07-27 and last updated on 2026-06-16.

CVE-2004-0740

CVE-2004-0740 is a medium-severity vulnerability in Lexmark T522 Network Printer with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lexmark T522 Network Printer
Published: 2004-07-27
Last modified: 2026-06-16

Description

The HTTP server in Lexmark T522 and possibly other models allows remote attackers to cause a denial of service (server crash, reload, or hang) via an HTTP header with a long Host field, possibly triggering a buffer overflow.

Frequently asked questions

What is CVE-2004-0740?: The HTTP server in Lexmark T522 and possibly other models allows remote attackers to cause a denial of service (server crash, reload, or hang) via an HTTP header with a long Host field, possibly triggering a buffer overflow.
How severe is CVE-2004-0740?: CVE-2004-0740 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-0740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0740?: CVE-2004-0740 affects Lexmark T522 Network Printer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0740 published?: CVE-2004-0740 was published on 2004-07-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:lexmark:t522_network_printer:*:*:*:*:*:*:*:*