CLEANSTART-2026-VO23255
Dashboard / Vulnerabilities / CLEANSTART-2026-VO23255
CLEANSTART-2026-VO23255
Summary: ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label
Details: Multiple security vulnerabilities affect the metallb package. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details.
References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-VO23255.json, https://osv.dev/vulnerability/CVE-2025-47912, https://osv.dev/vulnerability/CVE-2025-58183, https://osv.dev/vulnerability/CVE-2025-58185, https://osv.dev/vulnerability/CVE-2025-58186, https://osv.dev/vulnerability/CVE-2025-58187, https://osv.dev/vulnerability/CVE-2025-58188, https://osv.dev/vulnerability/CVE-2025-58189, https://osv.dev/vulnerability/CVE-2025-61723, https://osv.dev/vulnerability/CVE-2025-61724, https://osv.dev/vulnerability/CVE-2025-61725, https://osv.dev/vulnerability/CVE-2025-61729, https://osv.dev/vulnerability/CVE-2026-33818, https://osv.dev/vulnerability/CVE-2026-39821, https://osv.dev/vulnerability/CVE-2026-41178, https://osv.dev/vulnerability/CVE-2026-46600, https://osv.dev/vulnerability/CVE-2026-56853, https://osv.dev/vulnerability/CVE-2026-56858, https://osv.dev/vulnerability/CVE-2026-56859, https://osv.dev/vulnerability/CVE-2026-56860, https://osv.dev/vulnerability/CVE-2026-56862, https://osv.dev/vulnerability/ghsa-gcjh-h69q-9w9g, https://osv.dev/vulnerability/ghsa-hrxh-6v49-42gf, https://nvd.nist.gov/vuln/detail/CVE-2025-47912, https://nvd.nist.gov/vuln/detail/CVE-2025-58183, https://nvd.nist.gov/vuln/detail/CVE-2025-58185, https://nvd.nist.gov/vuln/detail/CVE-2025-58186, https://nvd.nist.gov/vuln/detail/CVE-2025-58187, https://nvd.nist.gov/vuln/detail/CVE-2025-58188, https://nvd.nist.gov/vuln/detail/CVE-2025-58189, https://nvd.nist.gov/vuln/detail/CVE-2025-61723, https://nvd.nist.gov/vuln/detail/CVE-2025-61724, https://nvd.nist.gov/vuln/detail/CVE-2025-61725, https://nvd.nist.gov/vuln/detail/CVE-2025-61729, https://nvd.nist.gov/vuln/detail/CVE-2026-33818, https://nvd.nist.gov/vuln/detail/CVE-2026-39821, https://nvd.nist.gov/vuln/detail/CVE-2026-41178, https://nvd.nist.gov/vuln/detail/CVE-2026-46600, https://nvd.nist.gov/vuln/detail/CVE-2026-56853, https://nvd.nist.gov/vuln/detail/CVE-2026-56858, https://nvd.nist.gov/vuln/detail/CVE-2026-56859, https://nvd.nist.gov/vuln/detail/CVE-2026-56860, https://nvd.nist.gov/vuln/detail/CVE-2026-56862
Affected packages
Package
Name: metallb
Purl:
Affected ranges
Type: ECOSYSTEM
Events:
