What’s Vulnerable › Vulnerabilities

CVE-2017-18248

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-03-26 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• cups: before 2.2.6 — fixed in 2.2.6

How to fix

Upgrade to a fixed version: cups 2.2.6. Check the vendor advisory for mitigations.

References

• https://github.com/apple/cups/commit/49fa4983f25b64ec29d548ffa3b9782426007df3
• https://github.com/apple/cups/issues/5143
• https://github.com/apple/cups/releases/tag/v2.2.6
• https://lists.debian.org/debian-lts-announce/2018/05/msg00018.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00003.html
• https://security.cucumberlinux.com/security/details.php?id=346
• https://usn.ubuntu.com/3713-1/
• https://github.com/apple/cups/commit/49fa4983f25b64ec29d548ffa3b9782426007df3
• https://github.com/apple/cups/issues/5143
• https://github.com/apple/cups/releases/tag/v2.2.6
• https://lists.debian.org/debian-lts-announce/2018/05/msg00018.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00003.html

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