{"schema_version":"1","data":[{"id":21549,"advisory_id":"1c54da84-a0b5-46c6-a513-acefc30c2700","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-1751","source_published_at":"2020-04-17T18:32:44+00:00","published_at":"2026-10-25T05:47:23.888552+00:00","extraction_method":"structured","technologies":["core-cve","glibc"],"cve_ids":["CVE-2020-1751"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"CVE-2020-1751","summary":"An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.","evidence":"cve:CVE-2020-1751","products":[{"name":{"value":"glibc","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"medium","structured":{"id":"CVE-2020-1751","aliases":["CVE-2020-1751"],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.1,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}}],"affected":[{"vendor":"Red Hat","product":"glibc","versions":[{"status":"affected","version":"2.31"}]}],"modified":"2026-10-14T08:02:09.581Z","provider":"cve","references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751","https://sourceware.org/bugzilla/show_bug.cgi?id=25423","https://security.netapp.com/advisory/ntap-20200430-0002/","https://security.gentoo.org/glsa/202006-04","https://usn.ubuntu.com/4416-1/"],"provider_metadata":{"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=25423","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20200430-0002/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202006-04","name":"GLSA-202006-04","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://usn.ubuntu.com/4416-1/","name":"USN-4416-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T06:46:30.859Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"}],"x_adpType":"supplier","references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-10-14T08:02:09.581Z"}}],"cna":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2020-07-09T19:06:12.000Z"}}},"related_cves":[{"value":"CVE-2020-1751","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":21549,"next_before":21549}