How severe is CVE-2018-5759?

CVE-2018-5759 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-5759 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5759?

CVE-2018-5759 affects Artifex Mujs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5759?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-5759 published?

CVE-2018-5759 was published on 2018-01-24 and last updated on 2026-06-17.

CVE-2018-5759

CVE-2018-5759 is a medium-severity vulnerability in Artifex Mujs with a CVSS 3.x base score of 5.5. 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-674.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-674
Affected product: Artifex Mujs
Published: 2018-01-24
Last modified: 2026-06-17

Description

jsparse.c in Artifex MuJS through 1.0.2 does not properly maintain the AST depth for binary expressions, which allows remote attackers to cause a denial of service (excessive recursion) via a crafted file.

Frequently asked questions

What is CVE-2018-5759?: jsparse.c in Artifex MuJS through 1.0.2 does not properly maintain the AST depth for binary expressions, which allows remote attackers to cause a denial of service (excessive recursion) via a crafted file.
How severe is CVE-2018-5759?: CVE-2018-5759 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-5759 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5759?: CVE-2018-5759 affects Artifex Mujs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5759?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-5759 published?: CVE-2018-5759 was published on 2018-01-24 and last updated on 2026-06-17.

References

Affected products (1)

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

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