{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58106", "assignerOrgId": "85b1779b-6ecd-4f52-bcc5-73eac4659dcf", "state": "PUBLISHED", "assignerShortName": "ERIC", "dateReserved": "2026-06-29T10:41:35.472Z", "datePublished": "2026-08-28T12:46:57.863Z", "dateUpdated": "2026-08-28T18:27:22.857Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "85b1779b-6ecd-4f52-bcc5-73eac4659dcf", "shortName": "ERIC", "dateUpdated": "2026-08-28T12:46:57.863Z"}, "title": "Incomplete fix for CVE-2025-40843: safe_strcpy is called with PATH_MAX into fullPath+2, writing 2 bytes past the buffer on every CodeChecker log invocation", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds write", "type": "CWE"}]}], "affected": [{"vendor": "Ericsson", "product": "CodeChecker", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "6.28.2", "versionType": "python"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "CVE-2025-40843 https://github.com/advisories/GHSA-5xf2-f6ch-6p8r \u00a0was fixed by replacing unchecked\u00a0strcpy()\u00a0with a bounded\u00a0safe_strcpy()\u00a0helper.\nAt\u00a0ldlogger-tool-gcc.c:129\u00a0the destination passed to that helper is\u00a0fullPath + 2, but the size\npassed down is the\u00a0full\u00a0PATH_MAX.\u00a0safe_strcpy()\u00a0is\u00a0strncpy(), which NUL-pads the\ndestination out to the whole\u00a0n, so this site writes 4096 bytes into the 4094 that remain \u2014 a\n2-byte stack overflow\u00a0on every invocation, independent of the input path's length.\n\n\n\nThis issue affects CodeChecker: through 6.28.2.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><a title=\"CVE-2025-40843\" href=\"https://github.com/advisories/GHSA-5xf2-f6ch-6p8r\" rel=\"noreferrer\">CVE-2025-40843</a>&nbsp;was fixed by replacing unchecked&nbsp;<code>strcpy()</code>&nbsp;with a bounded&nbsp;<code>safe_strcpy()</code>&nbsp;helper.<br>At&nbsp;<code>ldlogger-tool-gcc.c:129</code>&nbsp;the destination passed to that helper is&nbsp;<code>fullPath + 2</code>, but the size<br>passed down is the&nbsp;<strong>full</strong>&nbsp;<code>PATH_MAX</code>.&nbsp;<code>safe_strcpy()</code>&nbsp;is&nbsp;<code>strncpy()</code>, which NUL-pads the<br>destination out to the whole&nbsp;<code>n</code>, so this site writes 4096 bytes into the 4094 that remain \u2014 a<br>2-byte stack overflow&nbsp;<strong>on every invocation</strong>, independent of the input path's length.</p><p>This issue affects CodeChecker: through 6.28.2.</p><p></p>"}]}], "tags": ["x_open-source"], "references": [{"url": "https://github.com/Ericsson/codechecker/security/advisories/GHSA-9gcg-v8fg-39q8", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NEGLIGIBLE", "Automatable": "YES", "Recovery": "USER", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "LOW", "providerUrgency": "GREEN", "version": "4.0", "baseSeverity": "LOW", "baseScore": 2, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:P/S:N/AU:Y/R:U/RE:L/U:Green"}}], "credits": [{"lang": "en", "value": "Fatullayev Asadbek", "type": "finder"}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"references": [{"url": "https://github.com/Ericsson/codechecker/security/advisories/GHSA-9gcg-v8fg-39q8", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-28T18:26:51.164522Z", "id": "CVE-2026-58106", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-28T18:27:22.857Z"}}]}}

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