How severe is CVE-2018-17073?

CVE-2018-17073 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-17073 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17073?

CVE-2018-17073 affects Bitmap Project Bitmap. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17073?

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-2018-17073 published?

CVE-2018-17073 was published on 2018-09-16 and last updated on 2026-06-17.

CVE-2018-17073

CVE-2018-17073 is a high-severity vulnerability in Bitmap Project Bitmap with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Bitmap Project Bitmap
Published: 2018-09-16
Last modified: 2026-06-17

Description

wernsey/bitmap before 2018-08-18 allows a NULL pointer dereference via a 4-bit image.

Frequently asked questions

What is CVE-2018-17073?: wernsey/bitmap before 2018-08-18 allows a NULL pointer dereference via a 4-bit image.
How severe is CVE-2018-17073?: CVE-2018-17073 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-17073 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17073?: CVE-2018-17073 affects Bitmap Project Bitmap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17073?: 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-2018-17073 published?: CVE-2018-17073 was published on 2018-09-16 and last updated on 2026-06-17.

References

https://github.com/wernsey/bitmap/issues/1

Affected products (1)

cpe:2.3:a:bitmap_project:bitmap:*:*:*:*:*:*:*:*

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