{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-53538", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-07-02T15:15:11.515Z", "datePublished": "2025-07-22T21:36:03.976Z", "dateUpdated": "2025-07-23T18:32:21.856Z"}, "containers": {"cna": {"title": "Suricata's mishandling of data on HTTP2 stream 0 can lead to resource starvation", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/OISF/suricata/security/advisories/GHSA-qrr7-crgj-cmh3", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OISF/suricata/security/advisories/GHSA-qrr7-crgj-cmh3"}, {"name": "https://github.com/OISF/suricata/commit/1d6d331752e933c46aca0ae7a9679b27462246e3", "tags": ["x_refsource_MISC"], "url": "https://github.com/OISF/suricata/commit/1d6d331752e933c46aca0ae7a9679b27462246e3"}, {"name": "https://github.com/OISF/suricata/commit/7fa88ea9e7d05e07a7864050cfd836b576669720", "tags": ["x_refsource_MISC"], "url": "https://github.com/OISF/suricata/commit/7fa88ea9e7d05e07a7864050cfd836b576669720"}], "affected": [{"vendor": "OISF", "product": "suricata", "versions": [{"version": "< 7.0.11", "status": "affected"}, {"version": ">= 8.0.0-beta1, < 8.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-07-22T21:36:03.976Z"}, "descriptions": [{"lang": "en", "value": "Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions 7.0.10 and below and 8.0.0-beta1 through 8.0.0-rc1, mishandling of data on HTTP2 stream 0 can lead to uncontrolled memory usage, leading to loss of visibility. Workarounds include disabling the HTTP/2 parser, and using a signature like drop http2 any any -> any any (frame:http2.hdr; byte_test:1,=,0,3; byte_test:4,=,0,5; sid: 1;) where the first byte test tests the HTTP2 frame type DATA and the second tests the stream id 0. This is fixed in versions 7.0.11 and 8.0.0."}], "source": {"advisory": "GHSA-qrr7-crgj-cmh3", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-07-23T18:32:13.576494Z", "id": "CVE-2025-53538", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2025-07-23T18:32:21.856Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-53538", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-07-23T18:32:13.576494Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-07-23T18:32:18.596Z"}}], "cna": {"title": "Suricata's mishandling of data on HTTP2 stream 0 can lead to resource starvation", "source": {"advisory": "GHSA-qrr7-crgj-cmh3", "discovery": "UNKNOWN"}, "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"}}], "affected": [{"vendor": "OISF", "product": "suricata", "versions": [{"status": "affected", "version": "< 7.0.11"}, {"status": "affected", "version": ">= 8.0.0-beta1, < 8.0.0"}]}], "references": [{"url": "https://github.com/OISF/suricata/security/advisories/GHSA-qrr7-crgj-cmh3", "name": "https://github.com/OISF/suricata/security/advisories/GHSA-qrr7-crgj-cmh3", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/OISF/suricata/commit/1d6d331752e933c46aca0ae7a9679b27462246e3", "name": "https://github.com/OISF/suricata/commit/1d6d331752e933c46aca0ae7a9679b27462246e3", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/OISF/suricata/commit/7fa88ea9e7d05e07a7864050cfd836b576669720", "name": "https://github.com/OISF/suricata/commit/7fa88ea9e7d05e07a7864050cfd836b576669720", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions 7.0.10 and below and 8.0.0-beta1 through 8.0.0-rc1, mishandling of data on HTTP2 stream 0 can lead to uncontrolled memory usage, leading to loss of visibility. Workarounds include disabling the HTTP/2 parser, and using a signature like drop http2 any any -> any any (frame:http2.hdr; byte_test:1,=,0,3; byte_test:4,=,0,5; sid: 1;) where the first byte test tests the HTTP2 frame type DATA and the second tests the stream id 0. This is fixed in versions 7.0.11 and 8.0.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-770", "description": "CWE-770: Allocation of Resources Without Limits or Throttling"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-07-22T21:36:03.976Z"}}}, "cveMetadata": {"cveId": "CVE-2025-53538", "state": "PUBLISHED", "dateUpdated": "2025-07-23T18:32:21.856Z", "dateReserved": "2025-07-02T15:15:11.515Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2025-07-22T21:36:03.976Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*", "matchCriteriaId": "2DADE1D0-5754-4B63-A0D6-70C52C2882D3", "versionEndExcluding": "7.0.11", "vulnerable": true}, {"criteria": "cpe:2.3:a:oisf:suricata:8.0.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "2C51F6B1-2B23-4C24-9B69-DA71597628C6", "vulnerable": true}, {"criteria": "cpe:2.3:a:oisf:suricata:8.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "722B8967-EC47-43AF-AB71-4F7487780CED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions 7.0.10 and below and 8.0.0-beta1 through 8.0.0-rc1, mishandling of data on HTTP2 stream 0 can lead to uncontrolled memory usage, leading to loss of visibility. Workarounds include disabling the HTTP/2 parser, and using a signature like drop http2 any any -> any any (frame:http2.hdr; byte_test:1,=,0,3; byte_test:4,=,0,5; sid: 1;) where the first byte test tests the HTTP2 frame type DATA and the second tests the stream id 0. This is fixed in versions 7.0.11 and 8.0.0."}, {"lang": "es", "value": "Suricata es un motor de red IDS, IPS y NSM desarrollado por la OISF (Open Information Security Foundation) y la comunidad Suricata. En las versiones 7.0.10 y anteriores, y de la 8.0.0-beta1 a la 8.0.0-rc1, la gesti\u00f3n incorrecta de datos en el flujo HTTP2 0 puede provocar un uso incontrolado de memoria, lo que conlleva p\u00e9rdida de visibilidad. Las soluciones alternativas incluyen deshabilitar el analizador HTTP/2 y usar una firma como `drop http2 any any -&gt; any any (frame:http2.hdr; byte_test:1,=,0,3; byte_test:4,=,0,5; sid: 1;''), donde la primera prueba de bytes verifica el tipo de trama HTTP2 `DATA'' y la segunda el ID de flujo 0. Esto se ha corregido en las versiones 7.0.11 y 8.0.0."}], "id": "CVE-2025-53538", "lastModified": "2025-10-06T15:48:18.433", "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": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-07-22T22:15:37.620", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/OISF/suricata/commit/1d6d331752e933c46aca0ae7a9679b27462246e3"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/OISF/suricata/commit/7fa88ea9e7d05e07a7864050cfd836b576669720"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OISF/suricata/security/advisories/GHSA-qrr7-crgj-cmh3"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}