Is CVE-2017-17969 in the CISA KEV catalog?

No. CVE-2017-17969 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-17969?

CVE-2017-17969 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2017-17969?

CVE-2017-17969 has an EPSS score of 5.03% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-17969?

Upgrade p7zip on debian 11 to 16.02+dfsg-5 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-17969

HIGHEPSS 91th pctl

7.8

CVSS v3

NVD

Description

Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to cause a denial of service (out-of-bounds write) or potentially execute arbitrary code via a crafted ZIP archive.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

p7zipDebian

Fixed in:16.02+dfsg-5CVE-2017-17969

p7zipUbuntu

Fixed in:9.20.1~dfsg.1-4.2ubuntu0.1USN-3913-1

p7zip-fullUbuntu

Fixed in:9.20.1~dfsg.1-4.2ubuntu0.1USN-3913-1

7zipWindows application

Affected:18.00Fixed in:18.00Igor Pavlov

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.03%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Exploit1

landave.io

Third-Party Advisory2

Other references4

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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 2025-01-10.