Is CVE-2020-18768 in the CISA KEV catalog?

No. CVE-2020-18768 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-18768?

CVE-2020-18768 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-18768?

CVE-2020-18768 has an EPSS score of 0.26% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-18768?

Upgrade tiff on debian 11 to 4.0.10+git190814-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-18768

MEDIUM

5.5

CVSS v3

NVD

Description

There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

tiffDebian

Fixed in:4.0.10+git190814-1CVE-2020-18768

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

Exploit Intelligence

0.26%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Exploit1

bugzilla.maptools.org

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

Embed a live status badge for CVE-2020-18768

Markdown

[![CVE-2020-18768](https://tridentstack.com/cve/badge/CVE-2020-18768.svg)](https://tridentstack.com/cve/CVE-2020-18768)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-18768"><img src="https://tridentstack.com/cve/badge/CVE-2020-18768.svg" alt="CVE-2020-18768"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.