Is CVE-2020-19143 in the CISA KEV catalog?

No. CVE-2020-19143 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-19143?

CVE-2020-19143 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-19143?

CVE-2020-19143 has an EPSS score of 1.46% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-19143?

Upgrade tiff on debian 11 to 4.1.0+git201212-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-19143

MEDIUMEPSS 70th pctl

6.5

CVSS v3

NVD

Description

Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

tiffDebian

Fixed in:4.1.0+git201212-1CVE-2020-19143

libtiff-toolsUbuntu

Fixed in:4.1.0+git191117-2ubuntu0.20.04.2USN-5084-1

libtiff5Ubuntu

Fixed in:4.1.0+git191117-2ubuntu0.20.04.2USN-5084-1

tiffUbuntu

Fixed in:4.1.0+git191117-2ubuntu0.20.04.2USN-5084-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

1.46%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Patch2

Third-Party Advisory3

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 2024-11-21.