CVE-2017-8786

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pcre:pcre2:10.23:*:*:*:*:*:*:*", "matchCriteriaId": "B80479DA-16D6-47A1-88AF-55B5C821BDEC", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression."}, {"lang": "es", "value": "Pcre2test.c en PCRE2 10.23 permite a atacantes remotos causar una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer basado en heap) o posiblemente otro impacto no especificado a trav\u00e9s de una expresi\u00f3n regular manipulada."}], "id": "CVE-2017-8786", "lastModified": "2026-06-17T01:26:57.547", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-05-05T00:29:00.213", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory", "VDB Entry"], "url": "https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugs.exim.org/show_bug.cgi?id=2079"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201710-09"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://vcs.pcre.org/pcre2?view=revision&revision=696"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://vcs.pcre.org/pcre2?view=revision&revision=697"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory", "VDB Entry"], "url": "https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugs.exim.org/show_bug.cgi?id=2079"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201710-09"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://vcs.pcre.org/pcre2?view=revision&revision=696"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://vcs.pcre.org/pcre2?view=revision&revision=697"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "pcre2: Heap-based buffer overflow in pcre2test.c", "id": "1500717", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1500717"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-122", "details": ["pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression."], "name": "CVE-2017-8786", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "pcre2", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-03-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-8786\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-8786"], "threat_severity": "Low"}

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