CVE-2025-4947

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Source
https://cve.org/CVERecord?id=CVE-2025-4947
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-4947.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-4947
Aliases
Downstream
Related
Published
2025-05-28T06:29:34.974Z
Modified
2026-05-18T05:57:31.075115472Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
QUIC certificate check skip with wolfSSL
Details

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.

Database specific 
{
    "cna_assigner": "curl",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/4xxx/CVE-2025-4947.json",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "last_affected": "8.13.0"
                },
                {
                    "last_affected": "8.12.1"
                },
                {
                    "last_affected": "8.12.0"
                },
                {
                    "last_affected": "8.11.1"
                },
                {
                    "last_affected": "8.11.0"
                },
                {
                    "last_affected": "8.10.1"
                },
                {
                    "last_affected": "8.10.0"
                },
                {
                    "last_affected": "8.9.1"
                },
                {
                    "last_affected": "8.9.0"
                },
                {
                    "last_affected": "8.8.0"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/curl/curl

Affected ranges

Type
GIT
Repo
https://github.com/curl/curl
Events
Introduced
fd567d4f06857f4fc8e2f64ea727b1318f76ad33
Fixed
4dacb79fcdd9364c1083e06f6a011d797a344f47
Database specific 
{
    "cpe": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "8.8.0"
        },
        {
            "fixed": "8.14.0"
        }
    ]
}

Affected versions

Other
curl-8_10_0
curl-8_10_1
curl-8_11_0
curl-8_11_1
curl-8_12_0
curl-8_12_1
curl-8_13_0
curl-8_8_0
curl-8_9_0
curl-8_9_1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-4947.json"