CLEANSTART-2026-HA46232 Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer

🗓️ 10 Sep 2026 01:22:17Reported by GoogleType

osv🔗 osv.dev👁 12 Views

Integer overflow panic in metallb when parsing invalid SVCB or HTTPS RR DNS records.

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Source	Link
github	www.github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-HA46232.json
osv	www.osv.dev/vulnerability/CVE-2023-45288
osv	www.osv.dev/vulnerability/CVE-2024-24786
osv	www.osv.dev/vulnerability/CVE-2026-14362
osv	www.osv.dev/vulnerability/CVE-2026-33818
osv	www.osv.dev/vulnerability/CVE-2026-39821
osv	www.osv.dev/vulnerability/CVE-2026-46600
osv	www.osv.dev/vulnerability/CVE-2026-56852
osv	www.osv.dev/vulnerability/CVE-2026-56853
osv	www.osv.dev/vulnerability/CVE-2026-56858

18 Sep 2026 12:15Current

6Medium risk

Vulners AI Score6

CVSS 3.19.8

EPSS0.91969

metallb integer overflow SVCB parsing panic DNS records