How severe is CVE-2014-9491?

CVE-2014-9491 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-9491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-9491?

CVE-2014-9491 affects Illumos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-9491?

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

When was CVE-2014-9491 published?

CVE-2014-9491 was published on 2015-01-20 and last updated on 2026-06-17.

CVE-2014-9491

CVE-2014-9491 is a medium-severity vulnerability in Illumos 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

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Illumos
Published: 2015-01-20
Last modified: 2026-06-17

Description

The devzvol_readdir function in illumos does not check the return value of a strchr call, which allows remote attackers to cause a denial of service (NULL pointer dereference and panic) via unspecified vectors.

Frequently asked questions

What is CVE-2014-9491?: The devzvol_readdir function in illumos does not check the return value of a strchr call, which allows remote attackers to cause a denial of service (NULL pointer dereference and panic) via unspecified vectors.
How severe is CVE-2014-9491?: CVE-2014-9491 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-9491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-9491?: CVE-2014-9491 affects Illumos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-9491?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-9491 published?: CVE-2014-9491 was published on 2015-01-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:illumos:illumos:*:*:*:*:*:*:*:*

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