How severe is CVE-2004-0953?

CVE-2004-0953 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-0953 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0953?

CVE-2004-0953 affects Jabber Software Foundation Jabber Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-0953?

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

When was CVE-2004-0953 published?

CVE-2004-0953 was published on 2005-01-10 and last updated on 2026-06-16.

CVE-2004-0953

CVE-2004-0953 is a critical-severity vulnerability in Jabber Software Foundation Jabber Server with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jabber Software Foundation Jabber Server
Published: 2005-01-10
Last modified: 2026-06-16

Description

Buffer overflow in the C2S module in the open source Jabber 2.x server (Jabberd) allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long username.

Frequently asked questions

What is CVE-2004-0953?: Buffer overflow in the C2S module in the open source Jabber 2.x server (Jabberd) allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long username.
How severe is CVE-2004-0953?: CVE-2004-0953 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0953 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0953?: CVE-2004-0953 affects Jabber Software Foundation Jabber Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0953?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0953 published?: CVE-2004-0953 was published on 2005-01-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:jabber_software_foundation:jabber_server:2.0:*:*:*:*:*:*:*

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