CVE-2018-3998

CVE-2018-3998 is a high-severity vulnerability in Atlantiswordprocessor Atlantis Word Processor 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-787.

Key facts

Description

An exploitable heap-based buffer overflow vulnerability exists in the Windows enhanced metafile parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause an undersized allocation, resulting in an overflow when the application tries to copy data into it. An attacker must convince a victim to open a document in order to trigger this vulnerability.

Frequently asked questions

What is CVE-2018-3998?
An exploitable heap-based buffer overflow vulnerability exists in the Windows enhanced metafile parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause an undersized allocation, resulting in an overflow when the application tries to copy data into it. An attacker must convince a victim to open a document in order to trigger this vulnerability.
How severe is CVE-2018-3998?
CVE-2018-3998 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-2018-3998 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3998?
CVE-2018-3998 affects Atlantiswordprocessor Atlantis Word Processor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3998?
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-2018-3998 published?
CVE-2018-3998 was published on 2018-10-01 and last updated on 2026-06-17.

References

Affected products (1)

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