High severity8.8NVD Advisory· Published Aug 10, 2018· Updated Jun 17, 2026
CVE-2018-6553
CVE-2018-6553
Description
The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. A local attacker could possibly use this issue to escape confinement. This flaw affects versions prior to 2.2.7-1ubuntu2.1 in Ubuntu 18.04 LTS, prior to 2.2.4-7ubuntu3.1 in Ubuntu 17.10, prior to 2.1.3-4ubuntu0.5 in Ubuntu 16.04 LTS, and prior to 1.7.2-0ubuntu1.10 in Ubuntu 14.04 LTS.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
13- osv-coords12 versionspkg:apk/chainguard/cupspkg:apk/chainguard/cups-clientpkg:apk/chainguard/cups-devpkg:apk/chainguard/cups-docpkg:apk/chainguard/cups-libspkg:apk/chainguard/ipptoolpkg:apk/wolfi/cupspkg:apk/wolfi/cups-clientpkg:apk/wolfi/cups-devpkg:apk/wolfi/cups-docpkg:apk/wolfi/cups-libspkg:apk/wolfi/ipptool
< 0+ 11 more
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Patches
Vulnerability mechanics
References
4- lists.debian.org/debian-lts-announce/2018/07/msg00014.htmlnvdIssue TrackingMailing ListThird Party Advisory
- usn.ubuntu.com/usn/usn-3713-1nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4243nvdThird Party Advisory
- security.gentoo.org/glsa/201908-08nvd
News mentions
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