How severe is CVE-2017-5627?

CVE-2017-5627 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-5627 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5627?

CVE-2017-5627 affects Artifex Mujs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-5627?

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-2017-5627 published?

CVE-2017-5627 was published on 2017-01-30 and last updated on 2026-06-17.

CVE-2017-5627

CVE-2017-5627 is a high-severity vulnerability in Artifex Mujs with a CVSS 3.x base score of 7.8. 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-190.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Artifex Mujs
Published: 2017-01-30
Last modified: 2026-06-17

Description

An issue was discovered in Artifex Software, Inc. MuJS before 4006739a28367c708dea19aeb19b8a1a9326ce08. The jsR_setproperty function in jsrun.c lacks a check for a negative array length. This leads to an integer overflow in the js_pushstring function in jsrun.c when parsing a specially crafted JS file.

Frequently asked questions

What is CVE-2017-5627?: An issue was discovered in Artifex Software, Inc. MuJS before 4006739a28367c708dea19aeb19b8a1a9326ce08. The jsR_setproperty function in jsrun.c lacks a check for a negative array length. This leads to an integer overflow in the js_pushstring function in jsrun.c when parsing a specially crafted JS file.
How severe is CVE-2017-5627?: CVE-2017-5627 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-5627 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5627?: CVE-2017-5627 affects Artifex Mujs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5627?: 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-2017-5627 published?: CVE-2017-5627 was published on 2017-01-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:artifex:mujs:*:*:*:*:*:*:*:*

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