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CVE-2025-4947

CVE-2025-4947 · QUIC certificate check skip with wolfSSL

This page contains facts from public vulnerability sources. Check the original advisory before updating.

libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.

CVSS 6.5 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • curl

    Versions
    • ≥ 8.13.0, ≤ 8.13.0: Affected (semver)
    • ≥ 8.12.1, ≤ 8.12.1: Affected (semver)
    • ≥ 8.12.0, ≤ 8.12.0: Affected (semver)
    • ≥ 8.11.1, ≤ 8.11.1: Affected (semver)
    • ≥ 8.11.0, ≤ 8.11.0: Affected (semver)
    • ≥ 8.10.1, ≤ 8.10.1: Affected (semver)
    • ≥ 8.10.0, ≤ 8.10.0: Affected (semver)
    • ≥ 8.9.1, ≤ 8.9.1: Affected (semver)
    • ≥ 8.9.0, ≤ 8.9.0: Affected (semver)
    • ≥ 8.8.0, ≤ 8.8.0: Affected (semver)

    No fix published

  • curl Debian:13

    Affected ranges
    • ECOSYSTEM: < 8.14.0-1

    Update to 8.14.0-1

  • curl Debian:14

    Affected ranges
    • ECOSYSTEM: < 8.14.0-1

    Update to 8.14.0-1

Original sources

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