Is CVE-2016-8688 in the CISA KEV catalog?

No. CVE-2016-8688 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-8688?

CVE-2016-8688 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2016-8688?

CVE-2016-8688 has an EPSS score of 1.98% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-8688?

Upgrade libarchive on debian 11 to 3.2.1-5 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2016-8688

MEDIUMEPSS 78th pctl

5.5

CVSS v3

NVD

Description

The mtree bidder in libarchive 3.2.1 does not keep track of line sizes when extending the read-ahead, which allows remote attackers to cause a denial of service (crash) via a crafted file, which triggers an invalid read in the (1) detect_form or (2) bid_entry function in libarchive/archive_read_support_format_mtree.c.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

libarchiveDebian

Fixed in:3.2.1-5CVE-2016-8688

libarchiveUbuntu

Fixed in:3.1.2-7ubuntu2.4USN-3225-1

Fixed in:3.1.2-11ubuntu0.16.04.3USN-3225-1

libarchive13Ubuntu

Fixed in:3.1.2-7ubuntu2.4USN-3225-1

Fixed in:3.1.2-11ubuntu0.16.04.3USN-3225-1

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.98%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch9

Third-Party Advisory2

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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.