Is CVE-2019-9956 in the CISA KEV catalog?

No. CVE-2019-9956 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-9956?

CVE-2019-9956 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2019-9956?

CVE-2019-9956 has an EPSS score of 5.92% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-9956?

Upgrade imagemagick on debian 11 to 8:6.9.10.23+dfsg-2.1 or later. Fixes are available for 22 affected products.

CVE & CISA-KEV Catalog

CVE-2019-9956

HIGHEPSS 92th pctl

8.8

CVSS v3

NVD

Description

In ImageMagick 7.0.8-35 Q16, there is a stack-based buffer overflow in the function PopHexPixel of coders/ps.c, which allows an attacker to cause a denial of service or code execution via a crafted image file.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

imagemagickDebian

Fixed in:8:6.9.10.23+dfsg-2.1CVE-2019-9956

imagemagickUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

Fixed in:8:6.8.9.9-7ubuntu5.14USN-4034-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.7USN-4034-1

imagemagick-6.q16Ubuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

Fixed in:8:6.8.9.9-7ubuntu5.14USN-4034-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.7USN-4034-1

libimage-magick-perlUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

libimage-magick-q16-perlUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

libmagick++-6.q16-5v5Ubuntu

Fixed in:8:6.8.9.9-7ubuntu5.14USN-4034-1

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

libmagick++-6.q16-7Ubuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.7USN-4034-1

libmagick++-devUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

libmagick++5Ubuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

libmagickcore-6-headersUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

libmagickcore-6.q16-2Ubuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

Fixed in:8:6.8.9.9-7ubuntu5.14USN-4034-1

libmagickcore-6.q16-2-extraUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.14USN-4034-1

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

libmagickcore-6.q16-3Ubuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.7USN-4034-1

libmagickcore-6.q16-3-extraUbuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.7USN-4034-1

libmagickcore-6.q16-devUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

libmagickcore-devUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

libmagickcore5Ubuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

libmagickcore5-extraUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

libmagickwand-6.q16-2Ubuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm11USN-7068-1

libmagickwand-devUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

libmagickwand5Ubuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

perlmagickUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm11USN-7068-1

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.92%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory4

Other references4

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.