{"id":"CVE-2023-26470","aliases":["GHSA-92wp-r7hm-42g7"],"url":"https://o3.security/vulnerability/CVE-2023-26470","summary":"In XWiki Platform, saving a document with a large object number leads to persistent OOM errors","details":"### Impact\n\nIt's possible to make the farm unusable by adding an object to a page with a huge number (e.g. 67108863). This will most of the time fill the memory allocated to XWiki and make it unusable every time this document is manipulated.\n\n### Patches\nIt has been patched in XWiki 14.0\n\n### Workarounds\nThere is no workaround.\n\n### References\nhttps://jira.xwiki.org/browse/XWIKI-19223\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira XWiki](https://jira.xwiki.org)\n* Email us at [our security mailing list](mailto:security@xwiki.org)\n","published":"2023-03-02T18:37:23.588Z","modified":"2026-08-12T13:34:02.656238Z","cvss":{"score":5.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"},"epss":{"score":0.00855,"percentile":0.552,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"Maven","name":"org.xwiki.platform:xwiki-platform-oldcore","fixedVersion":"14.0-rc-1"}],"fix":{"url":"https://github.com/xwiki/xwiki-platform/commit/04e5a89d2879b160cdfaea846024d3d9c1a525e6","label":"xwiki/xwiki-platform@04e5a89"},"references":[{"type":"WEB","url":"https://jira.xwiki.org/browse/XWIKI-19223"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26470.json"},{"type":"ADVISORY","url":"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-92wp-r7hm-42g7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26470"},{"type":"FIX","url":"https://github.com/xwiki/xwiki-platform/commit/04e5a89d2879b160cdfaea846024d3d9c1a525e6"},{"type":"FIX","url":"https://github.com/xwiki/xwiki-platform/commit/db3d1c62fc5fb59fefcda3b86065d2d362f55164"},{"type":"FIX","url":"https://github.com/xwiki/xwiki-platform/commit/fdfce062642b0ac062da5cda033d25482f4600fa"},{"type":"PACKAGE","url":"https://github.com/xwiki/xwiki-platform"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T13:34:02.656238Z"}}