How severe is CVE-2017-18248?

CVE-2017-18248 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-18248 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18248?

CVE-2017-18248 affects Apple Cups. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18248?

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

When was CVE-2017-18248 published?

CVE-2017-18248 was published on 2018-03-26 and last updated on 2026-06-17.

CVE-2017-18248

CVE-2017-18248 is a medium-severity vulnerability in Apple Cups with a CVSS 3.x base score of 5.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 3.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Cups
Published: 2018-03-26
Last modified: 2026-06-17

Description

The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending print jobs with an invalid username, related to a D-Bus notification.

Frequently asked questions

What is CVE-2017-18248?: The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending print jobs with an invalid username, related to a D-Bus notification.
How severe is CVE-2017-18248?: CVE-2017-18248 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-18248 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18248?: CVE-2017-18248 affects Apple Cups. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18248?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18248 published?: CVE-2017-18248 was published on 2018-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*

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