Is CVE-2018-16647 in the CISA KEV catalog?

No. CVE-2018-16647 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16647?

CVE-2018-16647 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-16647?

CVE-2018-16647 has an EPSS score of 1.47% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16647?

Upgrade mupdf on debian 11 to 1.14.0+ds1-4 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-16647

MEDIUMEPSS 71th pctl

5.5

CVSS v3

NVD

Description

In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.

CWE-119Buffer Overflow

How to fix

Remediation Available

mupdfDebian

Fixed in:1.14.0+ds1-4CVE-2018-16647

libmupdf-devUbuntu

Fixed in:1.7a-1ubuntu0.1~esm1USN-7825-1

Fixed in:1.12.0+ds1-1ubuntu0.1~esm1USN-7825-1

Fixed in:1.16.1+ds1-1ubuntu1+esm1USN-7825-1

mupdfUbuntu

Fixed in:1.7a-1ubuntu0.1~esm1USN-7825-1

Fixed in:1.12.0+ds1-1ubuntu0.1~esm1USN-7825-1

Fixed in:1.16.1+ds1-1ubuntu1+esm1USN-7825-1

mupdf-toolsUbuntu

Fixed in:1.7a-1ubuntu0.1~esm1USN-7825-1

Fixed in:1.12.0+ds1-1ubuntu0.1~esm1USN-7825-1

Fixed in:1.16.1+ds1-1ubuntu1+esm1USN-7825-1

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

1.47%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Exploit1

bugs.ghostscript.com

Other references2

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 2024-11-21.