{"id":"CVE-2026-19108","state":"PUBLISHED","title":"MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free","description":"A vulnerability was found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function deleteDataSetValuesShadowBuffer of the file src/iec61850/server/mms_mapping/reporting.c of the component URCB Revalidation. The manipulation results in use after free. The attack needs to be approached locally. The exploit has been made public and could be used. Upgrading to version 1.6.2 is sufficient to fix this issue. The patch is identified as 486fd57f3aed65bb9d636ff00f9ddce2e450b168. Upgrading the affected component is advised.","publishedAt":"2026-08-06T20:30:14.200Z","updatedAt":"2026-08-08T02:36:24.168Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["MZ Automation libiec61850"],"affected":[{"vendor":"MZ Automation","product":"libiec61850","versions":[{"version":"1.6.0","status":"affected"},{"version":"1.6.1","status":"affected"},{"version":"1.6.2","status":"unaffected"}],"cpes":["cpe:2.3:a:mz_automation:libiec61850:*:*:*:*:*:*:*:*"],"modules":["URCB Revalidation"]}],"references":["https://vuldb.com/vuln/386569","https://vuldb.com/vuln/386569/cti","https://vuldb.com/cve/CVE-2026-19108","https://vuldb.com/submit/864520","https://github.com/mz-automation/libiec61850/issues/596","https://github.com/user-attachments/files/29163236/POC.zip","https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168","https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2"],"weaknesses":["CWE-416","CWE-119"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19108.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19108","state":"PUBLISHED","datePublished":"2026-08-06T20:30:14.200Z","dateUpdated":"2026-08-08T02:36:24.168Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-06T13:58:41.401Z"},"containers":{"cna":{"title":"MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free","descriptions":[{"lang":"en","value":"A vulnerability was found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function deleteDataSetValuesShadowBuffer of the file src/iec61850/server/mms_mapping/reporting.c of the component URCB Revalidation. The manipulation results in use after free. The attack needs to be approached locally. The exploit has been made public and could be used. Upgrading to version 1.6.2 is sufficient to fix this issue. The patch is identified as 486fd57f3aed65bb9d636ff00f9ddce2e450b168. Upgrading the affected component is advised."}],"affected":[{"vendor":"MZ Automation","product":"libiec61850","versions":[{"version":"1.6.0","status":"affected"},{"version":"1.6.1","status":"affected"},{"version":"1.6.2","status":"unaffected"}],"cpes":["cpe:2.3:a:mz_automation:libiec61850:*:*:*:*:*:*:*:*"],"modules":["URCB Revalidation"]}],"references":[{"url":"https://vuldb.com/vuln/386569","name":"VDB-386569 | MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/386569/cti","name":"VDB-386569 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-19108","name":"CVE-2026-19108 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/864520","name":"Submit #864520 | MZ Automation libiec61850 1.6.1 Memory Corruption(heap-use-after-free)","tags":["third-party-advisory"]},{"url":"https://github.com/mz-automation/libiec61850/issues/596","tags":["issue-tracking"]},{"url":"https://github.com/user-attachments/files/29163236/POC.zip","tags":["exploit"]},{"url":"https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168","tags":["patch"]},{"url":"https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2","tags":["patch"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"Use After Free"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-08-06T20:30:14.200Z"},"timeline":[{"time":"2026-08-06T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-06T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-06T16:34:33.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Chuan Wei","type":"finder"},{"lang":"en","value":"VULL (VulDB User)","type":"reporter"},{"lang":"en","value":"SCU_1CP (VulDB User)","type":"analyst"}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-08T02:36:11.624082Z","id":"CVE-2026-19108","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-08T02:36:24.168Z"}}]}}}