{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8814", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "state": "PUBLISHED", "assignerShortName": "snyk", "dateReserved": "2026-05-18T08:43:29.632Z", "datePublished": "2026-05-19T05:00:09.223Z", "dateUpdated": "2026-05-19T13:11:48.613Z"}, "containers": {"cna": {"metrics": [{"cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P"}, "cvssV4_0": {"version": "4.0", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"}}], "credits": [{"value": "Yuki Matsuhashi", "lang": "en"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-409", "description": "Improper Handling of Highly Compressed Data (Data Amplification)", "lang": "en"}]}], "providerMetadata": {"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2026-05-19T05:00:09.223Z"}, "descriptions": [{"value": "Versions of the package exifreader before 4.39.0 are vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) due to decompressing PNG zTXt metadata without enforcing a built-in maximum decompressed output size. When asynchronous parsing is enabled, a crafted PNG file containing a highly compressed zTXt chunk can cause ExifReader to materialize a disproportionately large Comment value in memory.", "lang": "en"}], "references": [{"url": "https://security.snyk.io/vuln/SNYK-JS-EXIFREADER-16689340"}, {"url": "https://gist.github.com/yuki-matsuhashi/cad1a45d936062438b4ab24613c34c55"}, {"url": "https://github.com/mattiasw/ExifReader/commit/5f116128adc19f674902f8bf582bfe7dd0a36375"}], "affected": [{"product": "exifreader", "versions": [{"version": "0", "lessThan": "4.39.0", "status": "affected", "versionType": "semver"}], "vendor": "n/a"}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-409", "lang": "en", "description": "CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)"}]}], "references": [{"url": "https://security.snyk.io/vuln/SNYK-JS-EXIFREADER-16689340", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-19T13:11:02.751372Z", "id": "CVE-2026-8814", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2026-05-19T13:11:48.613Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.39.0)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}]}, "original": {"product": "exifreader", "source": "cna", "vendor": "n/a"}, "product": "exifreader", "vendor": "mattiasw"}], "created": "2026-05-19T08:00:11.968141+00:00", "updated": "2026-05-19T08:18:28.132106+00:00", "vendors": ["mattiasw", "mattiasw$PRODUCT$exifreader"]}