{"api_version":"1","generated_at":"2026-09-25T07:54:38+00:00","cve":"CVE-2026-93018","urls":{"html":"https://cve.report/CVE-2026-93018","api":"https://cve.report/api/cve/CVE-2026-93018.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93018","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93018"},"summary":{"title":"Imager versions before 1.036 for Perl disclose uninitialised heap memory reading a paletted image with pixel indexes past its colour map in i_gpix_p and i_glin_p","description":"Imager versions before 1.036 for Perl disclose uninitialised heap memory reading a paletted image with pixel indexes past its colour map in i_gpix_p and i_glin_p.\n\nThe palette is allocated uninitialised, and only the entries a reader adds count as populated. The TGA reader stores pixel indexes without checking them against the colour map. i_gpix_p() rejects only an index greater than the count, so an index equal to it reads the first unpopulated entry, and getpixel() returns it.\n\ni_glin_p() skips any index at or beyond the count without writing that pixel to the caller's buffer. The palette-to-RGB conversion reads each row through an uninitialised buffer, so those pixels of the converted image hold prior heap contents.\n\nReading an attacker-supplied image through Imager->read() and then fetching its pixels or converting it to RGB discloses process heap memory.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-09-18 14:19:04","updated_at":"2026-09-22 19:16:57"},"problem_types":["CWE-193","CWE-908","CWE-908 CWE-908 Use of Uninitialized Resource","CWE-193 CWE-193 Off-by-one 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populated. The TGA reader stores pixel indexes without checking them against the colour map. i_gpix_p() rejects only an index greater than the count, so an index equal to it reads the first unpopulated entry, and getpixel() returns it.\n\ni_glin_p() skips any index at or beyond the count without writing that pixel to the caller's buffer. The palette-to-RGB conversion reads each row through an uninitialised buffer, so those pixels of the converted image hold prior heap contents.\n\nReading an attacker-supplied image through Imager->read() and then fetching its pixels or converting it to RGB discloses process heap memory."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-908","description":"CWE-908 Use of Uninitialized Resource","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-193","description":"CWE-193 Off-by-one Error","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-18T13:57:37.837Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["vendor-advisory"],"url":"https://github.com/tonycoz/imager/security/advisories/GHSA-j7v7-cm4g-vrgf"},{"tags":["patch"],"url":"https://github.com/tonycoz/imager/commit/dcf0a52e2732399d42ab44d98af6934658d068ee.patch"},{"tags":["release-notes"],"url":"https://metacpan.org/release/TONYC/Imager-1.036/changes"}],"solutions":[{"lang":"en","value":"Upgrade to Imager 1.036 or later."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-09-18T00:00:00.000Z","value":"Version 1.036 released with fix."}],"title":"Imager versions before 1.036 for Perl disclose uninitialised heap memory reading a paletted image with pixel indexes past its colour map in i_gpix_p and i_glin_p","x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-93018","datePublished":"2026-09-18T13:57:37.837Z","dateReserved":"2026-09-17T14:56:50.796Z","dateUpdated":"2026-09-22T18:27:38.610Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-18 14:19:04","lastModifiedDate":"2026-09-22 19:16:57","problem_types":["CWE-193","CWE-908","CWE-908 CWE-908 Use of Uninitialized Resource","CWE-193 CWE-193 Off-by-one Error"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-22T18:14:30.766435Z","id":"CVE-2026-93018","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93018","Ordinal":"1","Title":"Imager versions before 1.036 for Perl disclose uninitialised hea","CVE":"CVE-2026-93018","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93018","Ordinal":"1","NoteData":"Imager versions before 1.036 for Perl disclose uninitialised heap memory reading a paletted image with pixel indexes past its colour map in i_gpix_p and i_glin_p.\n\nThe palette is allocated uninitialised, and only the entries a reader adds count as populated. The TGA reader stores pixel indexes without checking them against the colour map. i_gpix_p() rejects only an index greater than the count, so an index equal to it reads the first unpopulated entry, and getpixel() returns it.\n\ni_glin_p() skips any index at or beyond the count without writing that pixel to the caller's buffer. The palette-to-RGB conversion reads each row through an uninitialised buffer, so those pixels of the converted image hold prior heap contents.\n\nReading an attacker-supplied image through Imager->read() and then fetching its pixels or converting it to RGB discloses process heap memory.","Type":"Description","Title":"Imager versions before 1.036 for Perl disclose uninitialised hea"}]}}}