CVE-2011-1778

CVE-2011-1778 is a medium-severity vulnerability in Freebsd Libarchive with a CVSS 2.0 base score of 6.8. 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-119.

Key facts

Description

Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.

Frequently asked questions

What is CVE-2011-1778?
Buffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted TAR archive.
How severe is CVE-2011-1778?
CVE-2011-1778 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-1778 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1778?
CVE-2011-1778 primarily affects Freebsd Libarchive. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1778?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1778 published?
CVE-2011-1778 was published on 2012-04-13 and last updated on 2026-06-16.

References

Affected products (18)

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