CVE-2005-3139

CVE-2005-3139 is a medium-severity vulnerability in Mozilla Bugzilla 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

Description

Bugzilla 2.19.1 through 2.20rc2 and 2.21, with user matching turned on in substring mode, allows attackers to list all users whose names match an arbitrary substring, even when the usevisibilitygroups parameter is set.

Frequently asked questions

What is CVE-2005-3139?
Bugzilla 2.19.1 through 2.20rc2 and 2.21, with user matching turned on in substring mode, allows attackers to list all users whose names match an arbitrary substring, even when the usevisibilitygroups parameter is set.
How severe is CVE-2005-3139?
CVE-2005-3139 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-3139 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3139?
CVE-2005-3139 primarily affects Mozilla Bugzilla. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-3139?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-3139 published?
CVE-2005-3139 was published on 2005-10-05 and last updated on 2026-06-16.

References

Affected products (6)

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