CVE-2020-36846

{"id": "CVE-2020-36846", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2020-36846", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-05-30T14:40:47.592851Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "affectedData": [{"repo": "https://github.com/timlegge/perl-IO-Compress-Brotli", "vendor": "TIMLEGGE", "product": "IO::Compress::Brotli", "versions": [{"status": "affected", "version": "0", "lessThan": "0.007", "versionType": "custom"}], "packageName": "IO-Compress-Brotli", "programFiles": ["brotli/c/dec/bit_reader.h"], "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected"}]}], "published": "2025-05-30T01:15:20.950", "references": [{"url": "https://github.com/advisories/GHSA-5v8v-66v8-mwm7", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://github.com/google/brotli/commit/223d80cfbec8fd346e32906c732c8ede21f0cea6", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://github.com/google/brotli/pull/826", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://github.com/timlegge/perl-IO-Compress-Brotli/blob/8b44c83b23bb4658179e1494af4b725a1bc476bc/Changes#L52", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8927", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "vulnStatus": "Deferred", "descriptions": [{"lang": "en", "value": "A buffer overflow, as described in CVE-2020-8927, exists in the embedded Brotli library.\u00a0 Versions of IO::Compress::Brotli prior to 0.007 included a version of the brotli library prior to version 1.0.8, where an attacker controlling the input length of a \"one-shot\" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your IO::Compress::Brotli module to 0.007\u00a0or later. If one cannot update, we recommend to use the \"streaming\" API as opposed to the \"one-shot\" API, and impose chunk size limits."}, {"lang": "es", "value": "Existe un desbordamiento de b\u00fafer, como se describe en CVE-2020-8927, en la librer\u00eda Brotli integrada. Las versiones de IO::Compress::Brotli anteriores a la 0.007 inclu\u00edan una versi\u00f3n de la librer\u00eda Brotli anterior a la 1.0.8, donde un atacante que controle la longitud de entrada de una solicitud de descompresi\u00f3n \u00fanica a un script puede provocar un fallo, lo cual ocurre al copiar fragmentos de datos de m\u00e1s de 2 GiB. Se recomienda actualizar el m\u00f3dulo IO::Compress::Brotli a la versi\u00f3n 0.007 o posterior. Si no se puede actualizar, recomendamos usar la API de streaming en lugar de la API \u00fanica e imponer l\u00edmites de tama\u00f1o de fragmentos."}], "lastModified": "2026-06-17T03:16:19.050", "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}