CVE-2026-110754

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{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-110754", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-10-14T17:06:30.806Z", "datePublished": "2026-10-16T22:06:46.839Z", "dateUpdated": "2026-10-20T18:15:41.395Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["Text::CSV_XS"], "packageName": "Text-CSV_XS", "packageURL": "pkg:cpan/Text-CSV_XS", "programFiles": ["CSV_XS.xs"], "programRoutines": [{"name": "Text::CSV_XS::getline"}], "repo": "https://github.com/cpan-authors/Text-CSV_XS", "versions": [{"lessThan": "1.65", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Text::CSV_XS versions before 1.65 for Perl leak the parsed fields of a record that fails to parse in getline.\n\ngetline collects the fields of a record into a new array and returns a reference to it only when the parse succeeds. When the record has a syntax error, getline returns undef and never frees the array or the fields parsed before the error.\n\nA long-running process parsing untrusted CSV retains every malformed record it is sent, so repeated malformed input exhausts its memory."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-401", "description": "CWE-401 Missing Release of Memory after Effective Lifetime", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-10-16T22:06:46.839Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/cpan-authors/Text-CSV_XS/commit/eb4f739ffc605bfb1ab710e5330704faa0e89f08.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes"}], "solutions": [{"lang": "en", "value": "Upgrade to Text-CSV_XS 1.65 or later."}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2026-10-14T00:00:00.000Z", "value": "Fix committed to upstream repository."}, {"lang": "en", "time": "2026-10-15T00:00:00.000Z", "value": "Version 1.65 released with fix."}], "title": "Text::CSV_XS versions before 1.65 for Perl leak the parsed fields of a record that fails to parse in getline", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-110754", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-20T18:15:27.374760Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-20T18:15:14.419Z"}}]}}

{"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.xs"], "programRoutines": [{"name": "Text::CSV_XS::getline"}], "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 leak the parsed fields of a record that fails to parse in getline.\n\ngetline collects the fields of a record into a new array and returns a reference to it only when the parse succeeds. When the record has a syntax error, getline returns undef and never frees the array or the fields parsed before the error.\n\nA long-running process parsing untrusted CSV retains every malformed record it is sent, so repeated malformed input exhausts its memory."}], "id": "CVE-2026-110754", "lastModified": "2026-10-20T19:17:29.700", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-110754", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-20T18:15:27.374760Z", "version": "2.0.3"}}]}, "published": "2026-10-16T23:17:00.637", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/cpan-authors/Text-CSV_XS/commit/eb4f739ffc605bfb1ab710e5330704faa0e89f08.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-401"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{"bugzilla": {"description": "perl-Text-CSV_XS: perl-Text-CSV_XS: Denial of Service via memory leak during malformed CSV parsing", "id": "2554505", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554505"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in Text::CSV_XS. When parsing a CSV record containing a syntax error, the getline function fails to release memory allocated for fields parsed prior to the failure. An attacker who can supply malformed CSV input to a long-running application can exploit this vulnerability to trigger repeated memory leaks, ultimately leading to memory exhaustion and a Denial of Service (DoS)."], "name": "CVE-2026-110754", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "perl-Text-CSV_XS", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "perl-Text-CSV_XS", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "perl-Text-CSV_XS", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-16T22:06:46Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-110754\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-110754\nhttps://github.com/cpan-authors/Text-CSV_XS/commit/eb4f739ffc605bfb1ab710e5330704faa0e89f08.patch\nhttps://metacpan.org/release/HMBRAND/Text-CSV_XS-1.65/changes"], "threat_severity": "Moderate"}

{"created": "2026-10-17T00:15:14.190187+00:00", "updated": "2026-10-22T23:00:14.533679+00:00", "vendors": []}