High severityNVD Advisory· Published Jun 10, 2026· Updated Jun 10, 2026
CVE-2026-10846
CVE-2026-10846
Description
NLnet Labs ldns 1.2.0 up to and including versions 1.9.0, when used in applications as (stub) resolver over UDP, lacks matching the query destination address and port with the response source address and port. Furthermore not the query ID, neither the question of the query is matched with that of the response. This makes applications, that use ldns for (stub) resolver functionality over UDP, vulnerable for off-path poisoning attacks. The drill tool, which is shipped with ldns, suffers from this vulnerability.
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Affected products
17- osv-coords16 versionspkg:rpm/opensuse/ldns&distro=openSUSE%20Tumbleweedpkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/ldns&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 1.9.2-1.1+ 15 more
- (no CPE)range: < 1.9.2-1.1
- (no CPE)range: < 1.7.0-150000.4.11.1
- (no CPE)range: < 1.7.0-150000.4.11.1
- (no CPE)range: < 1.7.0-150000.4.11.1
- (no CPE)range: < 1.7.0-150000.4.11.1
- (no CPE)range: < 1.8.3-150600.3.3.1
- (no CPE)range: < 1.8.3-150600.3.3.1
- (no CPE)range: < 1.8.3-150600.3.3.1
- (no CPE)range: < 1.7.0-150000.4.11.1
- (no CPE)range: < 1.7.0-150000.4.11.1
- (no CPE)range: < 1.8.3-150600.3.3.1
- (no CPE)range: < 1.8.4-160000.3.1
- (no CPE)range: < 1.7.0-150000.4.11.1
- (no CPE)range: < 1.7.0-150000.4.11.1
- (no CPE)range: < 1.8.3-150600.3.3.1
- (no CPE)range: < 1.8.4-160000.3.1
Patches
Vulnerability mechanics
References
2News mentions
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