CVE-2011-2381

CVE-2011-2381 is a medium-severity vulnerability in Mozilla Bugzilla with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Description

CRLF injection vulnerability in Bugzilla 2.17.1 through 2.22.7, 3.0.x through 3.3.x, 3.4.x before 3.4.12, 3.5.x, 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 allows remote attackers to inject arbitrary e-mail headers via an attachment description in a flagmail notification.

Frequently asked questions

What is CVE-2011-2381?
CRLF injection vulnerability in Bugzilla 2.17.1 through 2.22.7, 3.0.x through 3.3.x, 3.4.x before 3.4.12, 3.5.x, 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 allows remote attackers to inject arbitrary e-mail headers via an attachment description in a flagmail notification.
How severe is CVE-2011-2381?
CVE-2011-2381 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-2381 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2381?
CVE-2011-2381 primarily affects Mozilla Bugzilla. In total, 115 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2381?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2381 published?
CVE-2011-2381 was published on 2011-08-09 and last updated on 2026-06-16.

References

Affected products (115)

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