Is CVE-2016-9584 in the CISA KEV catalog?

No. CVE-2016-9584 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-9584?

CVE-2016-9584 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2016-9584?

CVE-2016-9584 has an EPSS score of 2.06% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-9584?

Upgrade libical3 on debian 11 to 3.0.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-9584

CRITICALEPSS 79th pctl

9.1

CVSS v3

NVD

Description

libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.

CWE-416Use After Free

How to fix

Remediation Available

libical3Debian

Fixed in:3.0.1-1CVE-2016-9584

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploit Intelligence

2.06%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.