{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48961", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-05-26T18:09:32.365Z", "datePublished": "2026-05-27T02:34:52.228Z", "dateUpdated": "2026-05-27T02:47:42.472Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "IO-Compress", "product": "IO::Compress", "programFiles": ["bin/zipdetails"], "programRoutines": [{"name": "main::decode_ux"}, {"name": "main::decodeLitteEndian"}], "repo": "https://github.com/pmqs/IO-Compress", "vendor": "PMQS", "versions": [{"lessThan": "2.220", "status": "affected", "version": "2.207", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID.\n\nWhen decode_ux() in bin/zipdetails handles an Info-ZIP Unix Extra Field (tag 0x7875) with UID Size or GID Size set to 8, causing zipdetails to decode an 8-byte UID or GID value, it dispatches through decodeLitteEndian(), which calls a misnamed helper unpackValueQ. The actual function defined in the same file is unpackValue_Q (with underscore); the call raises 'Undefined subroutine &main::unpackValueQ' and the script exits with status 255.\n\nLibrary callers of IO::Compress and IO::Uncompress are not affected; the defect is in the bundled CLI tool."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-755", "description": "CWE-755 Improper Handling of Exceptional Conditions", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-05-27T02:47:42.472Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/pmqs/IO-Compress/commit/33c89d03d6e746ed2ead4f2f6570d47864c61bc7.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/PMQS/IO-Compress-2.220/changes"}], "solutions": [{"lang": "en", "value": "Upgrade to IO-Compress 2.220 or later."}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2026-05-14T00:00:00.000Z", "value": "Issue reported."}, {"lang": "en", "time": "2026-05-16T00:00:00.000Z", "value": "Version 2.220 released."}], "title": "IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID.\n\nWhen decode_ux() in bin/zipdetails handles an Info-ZIP Unix Extra Field (tag 0x7875) with UID Size or GID Size set to 8, causing zipdetails to decode an 8-byte UID or GID value, it dispatches through decodeLitteEndian(), which calls a misnamed helper unpackValueQ. The actual function defined in the same file is unpackValue_Q (with underscore); the call raises 'Undefined subroutine &main::unpackValueQ' and the script exits with status 255.\n\nLibrary callers of IO::Compress and IO::Uncompress are not affected; the defect is in the bundled CLI tool."}], "id": "CVE-2026-48961", "lastModified": "2026-05-27T04:16:31.210", "metrics": {}, "published": "2026-05-27T04:16:31.210", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/pmqs/IO-Compress/commit/33c89d03d6e746ed2ead4f2f6570d47864c61bc7.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/PMQS/IO-Compress-2.220/changes"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-755"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{"created": "2026-05-27T04:30:16.103173+00:00", "updated": "2026-05-27T04:30:16.103185+00:00", "vendors": []}