{"cve":"CVE-2023-44271","nvd":{"published":"2023-11-03T05:15:30.137","modified":"2026-06-17T06:27:15.850","status":"Modified","description":"An issue was discovered in Pillow before 10.0.0. It is a Denial of Service that uncontrollably allocates memory to process a given task, potentially causing a service to crash by having it run out of memory. This occurs for truetype in ImageFont when textlength in an ImageDraw instance operates on a long text argument.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://devhub.checkmarx.com/cve-details/CVE-2023-44271/","https://github.com/python-pillow/Pillow/commit/1fe1bb49c452b0318cad12ea9d97c3bef188e9a7","https://github.com/python-pillow/Pillow/pull/7244","https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N2JOEDUJDQLCUII2LQYZYSM7RJL2I3P4/"],"products":["fedoraproject:fedora","python:pillow"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-44271","score":0.01348,"percentile":0.7147,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-8ghj-p4vj-mr35","url":"https://osv.dev/vulnerability/GHSA-8ghj-p4vj-mr35","summary":"Pillow Denial of Service vulnerability","modified":"2024-10-14T21:23:45.339098Z","packages":[{"ecosystem":"PyPI","name":"pillow","purl":"pkg:pypi/pillow","ranges":["<10.0.0"],"fixed":["10.0.0"]}]},{"id":"PYSEC-2023-227","url":"https://osv.dev/vulnerability/PYSEC-2023-227","summary":"","modified":"2026-06-10T17:02:31.597832523Z","packages":[{"ecosystem":"PyPI","name":"pillow","purl":"pkg:pypi/pillow","ranges":["<10.0.0"],"fixed":["10.0.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}