High severity7.5NVD Advisory· Published Dec 3, 2018· Updated Jun 17, 2026
CVE-2018-16855
CVE-2018-16855
Description
An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- osv-coords3 versionspkg:rpm/opensuse/pdns-recursor&distro=openSUSE%20Tumbleweedpkg:rpm/suse/pdns-recursor&distro=SUSE%20Package%20Hub%2012%20SP1pkg:rpm/suse/pdns-recursor&distro=SUSE%20Package%20Hub%2015
< 4.5.5-1.3+ 2 more
- (no CPE)range: < 4.5.5-1.3
- (no CPE)range: < 4.1.8-13.1
- (no CPE)range: < 4.1.2-bp150.2.3.1
- Range: 4.1.8
Patches
Vulnerability mechanics
References
2- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.htmlnvdVendor Advisory
News mentions
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