Is CVE-2020-12268 in the CISA KEV catalog?

No. CVE-2020-12268 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-12268?

CVE-2020-12268 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-12268?

CVE-2020-12268 has an EPSS score of 2.62% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-12268?

Upgrade jbig2dec on debian 11 to 0.18-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-12268

CRITICALEPSS 84th pctl

9.8

CVSS v3

NVD

Description

jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

jbig2decDebian

Fixed in:0.18-1CVE-2020-12268

jbig2decUbuntu

Fixed in:0.12+20150918-1ubuntu0.1+esm2USN-5405-1

libjbig2dec0Ubuntu

Fixed in:0.12+20150918-1ubuntu0.1+esm2USN-5405-1

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.62%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch1

github.com

Exploit1

bugs.chromium.org

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.