CVE-2026-19082

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19082", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-08-06T11:48:54.170Z", "datePublished": "2026-08-07T17:56:49.592Z", "dateUpdated": "2026-08-07T20:13:18.224Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Imager", "product": "Imager", "programFiles": ["imexif.c", "tags.c"], "programRoutines": [{"name": "copy_string_tags"}, {"name": "i_tags_add"}], "repo": "https://github.com/tonycoz/imager", "vendor": "TONYC", "versions": [{"lessThan": "1.034", "status": "affected", "version": "0.45_02", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Arpit Jain (arpitjain099)"}], "descriptions": [{"lang": "en", "value": "Imager versions from 0.45_02 before 1.034 for Perl may expose adjacent heap bytes via strlen() over-read from zero-count ASCII EXIF entries in copy_string_tags.\n\ncopy_string_tags() computes an ASCII EXIF tag's length as `entry->size - 1` to strip the trailing NUL. A zero-count ASCII entry sets `entry->size` to 0, and the derived length reaches i_tags_add() as -1, which is interpreted as a request to call strlen(), scanning past the entry to the next NUL and copying those bytes into the tag. JPEG reaches this path via im_decode_exif(), as does the separate Imager::File::WEBP distribution, which is fixed by upgrading Imager.\n\nAny caller of Imager->read() on an attacker-supplied image with such an entry may receive an exif_* tag holding adjacent heap bytes instead of an empty string."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-08-07T17:56:49.592Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/tonycoz/imager/security/advisories/GHSA-hx46-55wp-hv6m"}, {"tags": ["patch"], "url": "https://github.com/tonycoz/imager/commit/24bde0427a113264d53f45a9c29ae756d84c82fe.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/TONYC/Imager-1.034/changes"}], "solutions": [{"lang": "en", "value": "Upgrade to Imager 1.034 or later."}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2026-08-07T00:00:00.000Z", "value": "Version 1.034 released with fix."}], "title": "Imager versions from 0.45_02 before 1.034 for Perl may expose adjacent heap bytes via strlen() over-read from zero-count ASCII EXIF entries in copy_string_tags", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"references": [{"url": "https://github.com/tonycoz/imager/security/advisories/GHSA-hx46-55wp-hv6m", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-07T18:21:43.252440Z", "id": "CVE-2026-19082", "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": "2026-08-07T18:23:05.483Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/08/07/6"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-08-07T20:13:18.224Z"}}]}}

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{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Imager", "product": "Imager", "programFiles": ["imexif.c", "tags.c"], "programRoutines": [{"name": "copy_string_tags"}, {"name": "i_tags_add"}], "repo": "https://github.com/tonycoz/imager", "vendor": "TONYC", "versions": [{"lessThan": "1.034", "status": "affected", "version": "0.45_02", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Imager versions from 0.45_02 before 1.034 for Perl may expose adjacent heap bytes via strlen() over-read from zero-count ASCII EXIF entries in copy_string_tags.\n\ncopy_string_tags() computes an ASCII EXIF tag's length as `entry->size - 1` to strip the trailing NUL. A zero-count ASCII entry sets `entry->size` to 0, and the derived length reaches i_tags_add() as -1, which is interpreted as a request to call strlen(), scanning past the entry to the next NUL and copying those bytes into the tag. JPEG reaches this path via im_decode_exif(), as does the separate Imager::File::WEBP distribution, which is fixed by upgrading Imager.\n\nAny caller of Imager->read() on an attacker-supplied image with such an entry may receive an exif_* tag holding adjacent heap bytes instead of an empty string."}, {"lang": "es", "value": "Las versiones de Imager desde la 0.45_02 anteriores a la 1.034 para Perl pueden exponer bytes adyacentes del heap a trav\u00e9s de una lectura excesiva de \u201cstrlen()\u201d de entradas EXIF ASCII con conteo cero en \u201ccopy_string_tags\u201d.\n\n\u201ccopy_string_tags()\u201d calcula la longitud de una etiqueta EXIF ASCII como \u201centry -> size - 1\u201d para eliminar el NUL final. Una entrada ASCII con conteo cero establece \u201centry -> size\u201d en 0, y la longitud derivada llega a \u201ci_tags_add()\u201d como -1, lo que se interpreta como una solicitud para llamar a \u201cstrlen()\u201d, escaneando m\u00e1s all\u00e1 de la entrada hasta el siguiente NUL y copiando esos bytes en la etiqueta. JPEG alcanza esta ruta a trav\u00e9s de \u201cim_decode_exif()\u201d, al igual que la distribuci\u00f3n separada \u201cImager::File::WEBP\u201d, lo cual se soluciona actualizando Imager.\n\nCualquier llamador de \u201cImager -> read()\u201d en una imagen proporcionada por el atacante con dicha entrada puede recibir una etiqueta \u201cexif_*\u201d que contiene bytes adyacentes del heap en lugar de una cadena vac\u00eda."}], "id": "CVE-2026-19082", "lastModified": "2026-10-23T20:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19082", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-07T18:21:43.252440Z", "version": "2.0.3"}}]}, "published": "2026-08-07T18:17:11.363", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/tonycoz/imager/commit/24bde0427a113264d53f45a9c29ae756d84c82fe.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/tonycoz/imager/security/advisories/GHSA-hx46-55wp-hv6m"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/TONYC/Imager-1.034/changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/08/07/6"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/tonycoz/imager/security/advisories/GHSA-hx46-55wp-hv6m"}], "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": "[0.45_02,1.034)"}}], "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": "2026-08-07T19:30:04.394265+00:00", "updated": "2026-08-07T20:45:03.376556+00:00", "vendors": ["tonyc", "tonyc$PRODUCT$imager"]}