CVE-2026-13705

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{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Imager", "product": "Imager", "programFiles": ["SGI/imsgi.c"], "programRoutines": [{"name": "read_rgb_16_rle"}], "repo": "https://github.com/tonycoz/imager", "vendor": "TONYC", "versions": [{"lessThan": "1.032", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Imager versions before 1.032 for Perl have a heap out-of-bounds read in the bundled Imager::File::SGI reader via a 16-bit RLE literal run in read_rgb_16_rle.\n\nread_rgb_16_rle guards each literal run with if (count > data_left), but count is a pixel count while every 16-bit sample consumes two bytes. The copy loop reads inp[0] * 256 + inp[1] and advances two bytes per pixel, so a run with data_left / 2 < count <= data_left passes the guard yet consumes 2 * count bytes and reads past the end of the buffer. The 8-bit path is unaffected because there one pixel is one byte.\n\nReading a crafted SGI image through Imager->read triggers the over-read before the parser rejects the malformed image, which can crash the process."}, {"lang": "es", "value": "Las versiones de Imager anteriores a la 1.032 para Perl tienen una lectura fuera de l\u00edmites del mont\u00f3n en el lector Imager::File::SGI incluido, a trav\u00e9s de una secuencia literal RLE de 16 bits en read_rgb_16_rle.\n\nread_rgb_16_rle protege cada secuencia literal con if (count > data_left), pero count es un recuento de p\u00edxeles mientras que cada muestra de 16 bits consume dos bytes. El bucle de copia lee inp[0] * 256 + inp[1] y avanza dos bytes por p\u00edxel, por lo que una secuencia con data_left / 2 < count <= data_left pasa la protecci\u00f3n pero consume 2 * count bytes y lee m\u00e1s all\u00e1 del final del b\u00fafer. La ruta de 8 bits no se ve afectada porque all\u00ed un p\u00edxel es un byte.\n\nLa lectura de una imagen SGI manipulada a trav\u00e9s de Imager -> read desencadena la sobrerelectura antes de que el analizador rechace la imagen malformada, lo que puede bloquear el proceso."}], "id": "CVE-2026-13705", "lastModified": "2026-10-25T20:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13705", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-06T19:24:34.960922Z", "version": "2.0.3"}}]}, "published": "2026-07-06T13:16:32.447", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/tonycoz/imager/commit/f28de02770dfc26ffbdc32048970ed84babbf730.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/TONYC/Imager-1.032/source/Changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/07/06/3"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.032)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Imager", "source": "cna", "vendor": "TONYC"}, "product": "imager", "vendor": "tonyc"}], "created": "2026-07-06T14:30:16.517648+00:00", "updated": "2026-08-01T18:45:03.835824+00:00", "vendors": ["tonyc", "tonyc$PRODUCT$imager"]}