CVE-2011-2977

CVE-2011-2977 is a low-severity vulnerability in Mozilla Bugzilla with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Bugzilla 3.6.x before 3.6.6, 3.7.x, 4.0.x before 4.0.2, and 4.1.x before 4.1.3 on Windows does not delete the temporary files associated with uploaded attachments, which allows local users to obtain sensitive information by reading these files. NOTE: this issue exists because of a regression in 3.6.

Frequently asked questions

What is CVE-2011-2977?
Bugzilla 3.6.x before 3.6.6, 3.7.x, 4.0.x before 4.0.2, and 4.1.x before 4.1.3 on Windows does not delete the temporary files associated with uploaded attachments, which allows local users to obtain sensitive information by reading these files. NOTE: this issue exists because of a regression in 3.6.
How severe is CVE-2011-2977?
CVE-2011-2977 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2011-2977 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2977?
CVE-2011-2977 primarily affects Mozilla Bugzilla. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2977?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2977 published?
CVE-2011-2977 was published on 2011-08-09 and last updated on 2026-06-16.

References

Affected products (17)

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