How severe is CVE-2017-11642?

CVE-2017-11642 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-11642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11642?

CVE-2017-11642 affects Graphicsmagick. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-11642?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-11642 published?

CVE-2017-11642 was published on 2017-07-26 and last updated on 2026-06-17.

CVE-2017-11642

CVE-2017-11642 is a high-severity vulnerability in Graphicsmagick with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Graphicsmagick
Published: 2017-07-26
Last modified: 2026-06-17

Description

GraphicsMagick 1.3.26 has a NULL pointer dereference in the WriteMAPImage() function in coders/map.c when processing a non-colormapped image, a different vulnerability than CVE-2017-11638.

Frequently asked questions

What is CVE-2017-11642?: GraphicsMagick 1.3.26 has a NULL pointer dereference in the WriteMAPImage() function in coders/map.c when processing a non-colormapped image, a different vulnerability than CVE-2017-11638.
How severe is CVE-2017-11642?: CVE-2017-11642 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-11642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11642?: CVE-2017-11642 affects Graphicsmagick. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-11642?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-11642 published?: CVE-2017-11642 was published on 2017-07-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:graphicsmagick:graphicsmagick:1.3.26:*:*:*:*:*:*:*

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