Is CVE-2016-9844 in the CISA KEV catalog?

No. CVE-2016-9844 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-9844?

CVE-2016-9844 has a CVSS v3 base score of 4.0 (MEDIUM).

What is the EPSS score for CVE-2016-9844?

CVE-2016-9844 has an EPSS score of 1.84% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-9844?

Upgrade unzip on debian 11 to 6.0-21 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2016-9844

MEDIUMEPSS 76th pctl

4.0

CVSS v3

NVD

Description

Buffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via a large compression method value in the central directory file header.

CWE-119Buffer Overflow

How to fix

Remediation Available

unzipDebian

Fixed in:6.0-21CVE-2016-9844

unzipUbuntu

Fixed in:6.0-9ubuntu1.6USN-4672-1

Fixed in:6.0-20ubuntu1.1USN-4672-1

Fixed in:6.0-21ubuntu1.1USN-4672-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.84%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Third-Party Advisory4

Issue Tracking1

bugs.launchpad.net

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.