How severe is CVE-2016-10209?

CVE-2016-10209 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-10209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10209?

CVE-2016-10209 affects Libarchive. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10209?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-10209 published?

CVE-2016-10209 was published on 2017-04-03 and last updated on 2026-06-17.

CVE-2016-10209

CVE-2016-10209 is a medium-severity vulnerability in Libarchive with a CVSS 3.x base score of 5.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Libarchive
Published: 2017-04-03
Last modified: 2026-06-17

Description

The archive_wstring_append_from_mbs function in archive_string.c in libarchive 3.2.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive file.

Frequently asked questions

What is CVE-2016-10209?: The archive_wstring_append_from_mbs function in archive_string.c in libarchive 3.2.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive file.
How severe is CVE-2016-10209?: CVE-2016-10209 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-10209 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10209?: CVE-2016-10209 affects Libarchive. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10209?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-10209 published?: CVE-2016-10209 was published on 2017-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libarchive:libarchive:3.2.2:*:*:*:*:*:*:*

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