{"id":"CVE-2019-19958","aliases":["EUVD-2019-9546","GHSA-hq34-vj22-r4h8"],"status":"published","title":"In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an...","description":"In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00935,"percentile":0.61039,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-681","CWE-770"],"published":"2019-12-24T21:58:40Z","modified":"2026-10-20T10:50:52Z","products":[{"vendor":"mz-automation","product":"libiec61850"}],"references":[{"url":"https://github.com/mz-automation/libiec61850/issues/198","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19958"},{"url":"https://github.com/advisories/GHSA-hq34-vj22-r4h8"}],"sources":{"cve":[{"id":"CVE-2019-19958","description":"In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.","status":"published","published":"2019-12-24T21:58:40Z","modified":"2024-08-05T02:32:10.459Z","updated_at":"2026-11-02T14:20:21.059499Z"}],"euvd":[{"id":"EUVD-2019-9546","description":"In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.","status":"published","published":"2019-12-24T21:58:40Z","modified":"2024-08-05T02:32:10Z","updated_at":"2026-11-03T02:40:23.251012Z"}],"ghsa":[{"id":"GHSA-hq34-vj22-r4h8","title":"In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an...","description":"In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.","status":"published","published":"2022-05-24T17:05:01Z","modified":"2023-01-29T05:00:55Z","updated_at":"2026-11-02T14:44:41.662162Z"}],"nvd":[{"id":"CVE-2019-19958","description":"In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.","status":"published","published":"2019-12-24T22:15:11.323Z","modified":"2026-06-17T02:27:31.06Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-681","CWE-770"],"updated_at":"2026-11-02T14:05:40.856496Z"}],"osv":[{"id":"CVE-2019-19958","description":"In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.","status":"published","published":"2019-12-24T22:15:11.323Z","modified":"2026-10-20T10:50:52.56561747Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:12.010761Z"}]}}