CVE-2026-110752

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{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["Text::CSV_XS"], "packageName": "Text-CSV_XS", "packageURL": "pkg:cpan/Text-CSV_XS", "programFiles": ["CSV_XS.pm"], "programRoutines": [{"name": "Text::CSV_XS::fragment"}, {"name": "Text::CSV_XS::csv"}], "repo": "https://github.com/cpan-authors/Text-CSV_XS", "versions": [{"lessThan": "1.65", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Text::CSV_XS versions before 1.65 for Perl allow memory exhaustion by allocating one entry per index of an RFC 7111 selector in fragment.\n\nfragment expands a row= or col= selector into an array with one element per selected index before it reads any data, and it does not clamp an explicit end column in a cell= selector to the row. Only the syntax and order of the ranges are checked, so row=1-400000000 on a two-line file allocates 400 million elements.\n\nAn application that passes a request-supplied fragment to fragment or csv can be made to exhaust memory, which ends the process with an Out of memory error that eval cannot catch."}], "id": "CVE-2026-110752", "lastModified": "2026-10-20T19:17:29.383", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "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-2026-110752", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-20T18:12:15.473604Z", "version": "2.0.3"}}]}, "published": "2026-10-16T23:17:00.410", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/cpan-authors/Text-CSV_XS/commit/d9d3d66f9ff6a8a1bc255a6ef05100f9b102b92b.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{"bugzilla": {"description": "perl-Text-CSV_XS: perl-Text-CSV_XS: Denial of Service via excessive memory allocation in fragment selector", "id": "2554509", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554509"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in perl-Text-CSV_XS. When parsing fragment selectors, the component pre-allocates array entries for every index in a requested range before reading data and without validating the range bounds against the input. An attacker could exploit this vulnerability by providing a crafted selector with an excessively large range, leading to uncontrolled memory consumption and causing a Denial of Service (DoS)."], "name": "CVE-2026-110752", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "perl-Text-CSV_XS", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "perl-Text-CSV_XS", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "perl-Text-CSV_XS", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-16T22:06:03Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-110752\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-110752\nhttps://github.com/cpan-authors/Text-CSV_XS/commit/d9d3d66f9ff6a8a1bc255a6ef05100f9b102b92b.patch\nhttps://metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.65)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "text::csv_xs", "vendor": "hmbrand"}], "created": "2026-10-16T23:30:13.664037+00:00", "updated": "2026-10-21T20:22:11.365247+00:00", "vendors": ["hmbrand", "hmbrand$PRODUCT$text::csv_xs"]}