CVE-2026-4015

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"], "modules": ["TeXML File Parser"], "product": "GPAC", "vendor": "n/a", "versions": [{"status": "affected", "version": "26.03-DEV"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in GPAC 26.03-DEV. Affected is the function txtin_process_texml of the file src/filters/load_text.c of the component TeXML File Parser. Executing a manipulation can lead to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5. Applying a patch is advised to resolve this issue."}, {"lang": "es", "value": "Se ha identificado una debilidad en GPAC 26.03-DEV. Afectada es la funci\u00f3n txtin_process_texml del archivo src/filters/load_text.c del componente TeXML File Parser. La ejecuci\u00f3n de una manipulaci\u00f3n puede conducir a un desbordamiento de b\u00fafer basado en pila. Es posible lanzar el ataque en el host local. El exploit se ha puesto a disposici\u00f3n del p\u00fablico y podr\u00eda usarse para ataques. Este parche se llama d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5. Se aconseja aplicar un parche para resolver este problema."}], "id": "CVE-2026-4015", "lastModified": "2026-06-17T10:55:51.670", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.1, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.9, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4015", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-12T13:29:03.988220Z", "version": "2.0.3"}}]}, "published": "2026-03-12T09:15:58.430", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/gpac/gpac/"}, {"source": "cna@vuldb.com", "url": "https://github.com/gpac/gpac/commit/d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5"}, {"source": "cna@vuldb.com", "url": "https://github.com/gpac/gpac/issues/3467"}, {"source": "cna@vuldb.com", "url": "https://github.com/gpac/gpac/issues/3467#issuecomment-3945864390"}, {"source": "cna@vuldb.com", "url": "https://github.com/user-attachments/files/25493992/poc_texml_overflow.py"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?ctiid.350537"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?id.350537"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?submit.769797"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-121"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "26.03-DEV"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "GPAC", "source": "cna", "vendor": "n/a"}, "product": "gpac", "vendor": "gpac"}], "analysis": {"en": {"generated_at": "2026-03-18T15:52:32.553068+00:00", "value": {"mitigation_remediation": ["Apply the official patch corresponding to commit d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5 to the GPAC 26.03-DEV source code."], "summary": {"action": "Patch immediately", "impact": "Local stack-based buffer overflow"}, "threat_synthesis": {"affected_systems": "GPAC multimedia framework, version 26.03-DEV, the development snapshot referenced in the CVE. The CPE string cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:* indicates that all variants of GPAC with the same unpatched code are affected. No specific release numbers beyond 26.03-DEV are listed, but any build incorporating the unpatched function is vulnerable.", "description_and_impact": "The vulnerability resides in the txtin_process_texml function of the TeXML File Parser component within GPAC. A specially crafted TeXML file can cause the function to write beyond the bounds of a local stack buffer, resulting in a stack-based buffer overflow. This flaw is identified as CWE\u2011119 (Buffer Over-read) and CWE\u2011121 (Stack-based Buffer Overflow) and may lead to a crash or execution of attacker-supplied code if local privileges are obtained.", "risk_and_exploitability": "The CVSS score of 4.8 indicates moderate severity. The EPSS score of less than 1% suggests a low probability of widespread exploitation, and the vulnerability is not currently listed in the CISA KEV catalog. Attackers can exploit the flaw locally by providing a malicious TeXML file to the GPAC parser; there is no documented network exposure. A public exploit script is available, confirming that local exploitation is feasible and could be leveraged in attacks that rely on GPAC processing of untrusted documents."}}}}, "created": "2026-03-13T09:53:20.944370+00:00", "updated": "2026-03-20T15:49:57.771122+00:00", "vendors": ["gpac", "gpac$PRODUCT$gpac"]}