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CVE-2017-18248

19
FAUCET Score

CVE-2017-18248 describes a denial-of-service vulnerability in CUPS versions prior to 2.2.6, specifically affecting the add_job function when D-Bus support is enabled. Remote attackers can crash the CUPS scheduler by submitting print jobs with an invalid username, triggering a D-Bus notification issue. This vulnerability has a CVSS score of 5.3 (Medium) due to its network attack vector and high impact on availability, though it requires low privileges and high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.6CPE matchmatch criteria
cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.25%
Probability of exploitation in next 30 days
EPSS Percentile
81.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0226 is in the 89th percentile among its peer group of 1,425 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: cups

Vendor Advisories (1)

redhatCVE-2017-18248Low

cups: Invalid usernames handled in scheduler/ipp.c:add_job() allow remote attackers to cause a denial of service

Oct 16, 2017

References

github.com / apple/cups/commit/49fa4983f25b64ec29d548ffa3b9782426007df3
PatchThird Party Advisory
github.com / apple/cups/issues/5143
ExploitThird Party Advisory
github.com / apple/cups/releases/tag/v2.2.6
Third Party Advisory
lists.debian.org / debian-lts-announce/2018/05/msg00018.html
lists.debian.org / debian-lts-announce/2018/07/msg00003.html
security.cucumberlinux.com / security/details.php
ExploitThird Party Advisory
usn.ubuntu.com / 3713-1