{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49839", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-01T18:50:36.056Z", "datePublished": "2026-06-25T17:17:46.181Z", "dateUpdated": "2026-06-25T17:55:27.488Z"}, "containers": {"cna": {"title": "jq --rawfile invalid-state reuse after String too long causes heap-buffer-overflow", "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "lang": "en", "description": "CWE-787: Out-of-bounds Write", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/jqlang/jq/security/advisories/GHSA-cfh2-vwfq-qfmm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/jqlang/jq/security/advisories/GHSA-cfh2-vwfq-qfmm"}], "affected": [{"vendor": "jqlang", "product": "jq", "versions": [{"version": "< 1.8.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-25T17:17:46.181Z"}, "descriptions": [{"lang": "en", "value": "jq is a command-line JSON processor. Prior to 1.8.2,` jq --rawfile` can turn a handled oversized-string error into invalid-state reuse and a real heap out-of-bounds write in assertion-disabled builds. When jv_load_file(raw=1) reads an attacker-controlled file, it repeatedly appends file chunks to the same jv string accumulator. Once jv_string_append_buf() returns jv_invalid_with_msg(\"String too long\"), the raw-file loop does not stop. If the file contains at least one more byte, the next loop iteration appends a new chunk to an object that is already invalid. With assertions enabled this aborts in jvp_string_ptr(). With assertions disabled, the invalid object is interpreted as a string object and ASan reports heap-buffer-overflow. This vulnerability is fixed in 1.8.2."}], "source": {"advisory": "GHSA-cfh2-vwfq-qfmm", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/jqlang/jq/security/advisories/GHSA-cfh2-vwfq-qfmm", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-25T17:55:24.168681Z", "id": "CVE-2026-49839", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-25T17:55:27.488Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-49839", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-25T17:55:24.168681Z"}}}], "references": [{"url": "https://github.com/jqlang/jq/security/advisories/GHSA-cfh2-vwfq-qfmm", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-25T17:55:14.988Z"}}], "cna": {"title": "jq --rawfile invalid-state reuse after String too long causes heap-buffer-overflow", "source": {"advisory": "GHSA-cfh2-vwfq-qfmm", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "jqlang", "product": "jq", "versions": [{"status": "affected", "version": "< 1.8.2"}]}], "references": [{"url": "https://github.com/jqlang/jq/security/advisories/GHSA-cfh2-vwfq-qfmm", "name": "https://github.com/jqlang/jq/security/advisories/GHSA-cfh2-vwfq-qfmm", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "jq is a command-line JSON processor. Prior to 1.8.2,` jq --rawfile` can turn a handled oversized-string error into invalid-state reuse and a real heap out-of-bounds write in assertion-disabled builds. When jv_load_file(raw=1) reads an attacker-controlled file, it repeatedly appends file chunks to the same jv string accumulator. Once jv_string_append_buf() returns jv_invalid_with_msg(\"String too long\"), the raw-file loop does not stop. If the file contains at least one more byte, the next loop iteration appends a new chunk to an object that is already invalid. With assertions enabled this aborts in jvp_string_ptr(). With assertions disabled, the invalid object is interpreted as a string object and ASan reports heap-buffer-overflow. This vulnerability is fixed in 1.8.2."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787: Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-25T17:17:46.181Z"}}}, "cveMetadata": {"cveId": "CVE-2026-49839", "state": "PUBLISHED", "dateUpdated": "2026-06-25T17:55:27.488Z", "dateReserved": "2026-06-01T18:50:36.056Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-06-25T17:17:46.181Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.8.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "jq", "source": "cna", "vendor": "jqlang"}, "product": "jq", "vendor": "jqlang"}], "created": "2026-06-25T18:30:14.636600+00:00", "updated": "2026-06-25T21:45:15.760408+00:00", "vendors": ["jqlang", "jqlang$PRODUCT$jq"]}