{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-5399", "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "state": "PUBLISHED", "assignerShortName": "curl", "dateReserved": "2025-05-31T15:02:27.226Z", "datePublished": "2025-06-07T07:49:09.370Z", "dateUpdated": "2025-06-09T13:20:29.843Z"}, "containers": {"cna": {"title": "WebSocket endless loop", "descriptions": [{"lang": "en", "value": "Due to a mistake in libcurl's WebSocket code, a malicious server can send a\nparticularly crafted packet which makes libcurl get trapped in an endless\nbusy-loop.\n\nThere is no other way for the application to escape or exit this loop other\nthan killing the thread/process.\n\nThis might be used to DoS libcurl-using application."}], "providerMetadata": {"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "shortName": "curl", "dateUpdated": "2025-06-07T07:49:09.370Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')"}]}], "affected": [{"vendor": "curl", "product": "curl", "versions": [{"version": "8.14.0", "status": "affected", "lessThanOrEqual": "8.14.0", "versionType": "semver"}, {"version": "8.13.0", "status": "affected", "lessThanOrEqual": "8.13.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://curl.se/docs/CVE-2025-5399.json", "name": "json"}, {"url": "https://curl.se/docs/CVE-2025-5399.html", "name": "www"}, {"url": "https://hackerone.com/reports/3168039", "name": "issue"}], "credits": [{"lang": "en", "value": "z2_ on hackerone", "type": "finder"}, {"lang": "en", "value": "z2_ on hackerone", "type": "remediation developer"}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2025/06/04/2"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-06-07T08:05:07.254Z"}}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-06-09T13:20:18.342977Z", "id": "CVE-2025-5399", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-09T13:20:29.843Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Due to a mistake in libcurl's WebSocket code, a malicious server can send a\nparticularly crafted packet which makes libcurl get trapped in an endless\nbusy-loop.\n\nThere is no other way for the application to escape or exit this loop other\nthan killing the thread/process.\n\nThis might be used to DoS libcurl-using application."}, {"lang": "es", "value": "Debido a un error en el c\u00f3digo WebSocket de libcurl, un servidor malicioso puede enviar un paquete especialmente manipulado que atrapa a libcurl en un bucle de actividad sin fin. La aplicaci\u00f3n no tiene otra forma de escapar de este bucle que cerrar el hilo/proceso. Esto podr\u00eda usarse para atacar a la aplicaci\u00f3n que usa libcurl."}], "id": "CVE-2025-5399", "lastModified": "2025-06-09T14:15:23.470", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-06-07T08:15:20.687", "references": [{"source": "2499f714-1537-4658-8207-48ae4bb9eae9", "url": "https://curl.se/docs/CVE-2025-5399.html"}, {"source": "2499f714-1537-4658-8207-48ae4bb9eae9", "url": "https://curl.se/docs/CVE-2025-5399.json"}, {"source": "2499f714-1537-4658-8207-48ae4bb9eae9", "url": "https://hackerone.com/reports/3168039"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/06/04/2"}], "sourceIdentifier": "2499f714-1537-4658-8207-48ae4bb9eae9", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "curl: libcurl: WebSocket endless loop", "id": "2370920", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2370920"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-835", "details": ["Due to a mistake in libcurl's WebSocket code, a malicious server can send a\nparticularly crafted packet which makes libcurl get trapped in an endless\nbusy-loop.\nThere is no other way for the application to escape or exit this loop other\nthan killing the thread/process.\nThis might be used to DoS libcurl-using application."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-5399", "package_state": [{"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Not affected", "package_name": "confidential-compute-attestation-tech-preview/trustee-rhel9", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "snphost", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "trustee-guest-components", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "snphost", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "trustee-guest-components", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:trusted_profile_analyzer:2", "fix_state": "Not affected", "package_name": "rhtpa/rhtpa-trustification-service-rhel9", "product_name": "Red Hat Trusted Profile Analyzer"}], "public_date": "2025-06-07T07:49:09Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-5399\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-5399\nhttps://curl.se/docs/CVE-2025-5399.html\nhttps://curl.se/docs/CVE-2025-5399.json\nhttps://hackerone.com/reports/3168039"], "statement": "The severity of this vulnerability is rated Moderate, as it does not impact system availability. The effects are confined to the application layer, without compromising the underlying system stability.", "threat_severity": "Moderate"}