{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                "range": [
                  {
                    "introduced": "7.0.0"
                  },
                  {
                    "fixed": "18.11.13"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                "range": [
                  {
                    "introduced": "7.0.0"
                  },
                  {
                    "fixed": "18.11.13"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                "range": [
                  {
                    "introduced": "19.0.0"
                  },
                  {
                    "fixed": "19.0.10"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                "range": [
                  {
                    "introduced": "19.0.0"
                  },
                  {
                    "fixed": "19.0.10"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                "range": [
                  {
                    "introduced": "19.1.0"
                  },
                  {
                    "fixed": "19.1.9"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                "range": [
                  {
                    "introduced": "19.1.0"
                  },
                  {
                    "fixed": "19.1.9"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                "range": [
                  {
                    "introduced": "19.2.0"
                  },
                  {
                    "fixed": "19.2.9"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                "range": [
                  {
                    "introduced": "19.2.0"
                  },
                  {
                    "fixed": "19.2.9"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                "range": [
                  {
                    "introduced": "19.3.0"
                  },
                  {
                    "fixed": "19.3.6"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                "range": [
                  {
                    "introduced": "19.3.0"
                  },
                  {
                    "fixed": "19.3.6"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                "range": [
                  {
                    "introduced": "19.4.0"
                  },
                  {
                    "fixed": "19.4.3"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                "range": [
                  {
                    "introduced": "19.4.0"
                  },
                  {
                    "fixed": "19.4.3"
                  }
                ],
                "source": "CPE_RANGE"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:community:*:*:*",
                "range": [
                  {
                    "introduced": "19.5.0"
                  },
                  {
                    "last_affected": "19.5.0"
                  }
                ],
                "source": "CPE_STRING"
              },
              {
                "cpe": "cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:enterprise:*:*:*",
                "range": [
                  {
                    "introduced": "19.5.0"
                  },
                  {
                    "last_affected": "19.5.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          "events": [
            {
              "introduced": "93bef4f04a185e21f7596587eb5e1a30f9a857fe"
            },
            {
              "fixed": "566583ad14f11307ca902c2dea58ce049b63058e"
            },
            {
              "introduced": "f07e3c5b3c8128be5db112e5b2b618fe31ea1b35"
            },
            {
              "fixed": "120c54bd6dcb88a771b54cdcf981fe99f503fa59"
            },
            {
              "introduced": "67581074a0aab1f53cdafe7eead5f5d07f3afec8"
            },
            {
              "fixed": "fe72d77fb158efb6b0d4e167133cd21e640315f0"
            },
            {
              "introduced": "68485a1eb627c9a992f266263157327649822db3"
            },
            {
              "fixed": "affb8c7b228049c0042d0370c106093ce8afefa4"
            },
            {
              "introduced": "8f83039bebbbb61d3b7b8b7e2342d1deec1e14c6"
            },
            {
              "fixed": "768c3d28a5b65440eb01ea2753136711c8ab01cc"
            },
            {
              "introduced": "fa703f93afaf1133cd263f6aa0e91d284d7f1ebf"
            },
            {
              "fixed": "ceebe641a1562c694898eeafef794eec40b90522"
            },
            {
              "introduced": "883b289c40e347a45878306997fc3dc9e7e11523"
            },
            {
              "last_affected": "883b289c40e347a45878306997fc3dc9e7e11523"
            }
          ],
          "repo": "https://gitlab.com/gitlab-org/gitlab",
          "type": "GIT"
        }
      ],
      "versions": [
        "19.5.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "GitLab",
    "cwe_ids": [
      "CWE-190"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110264.json"
  },
  "details": "An issue has been discovered in GitLab CE/EE affecting all versions from 7.0 before 18.11.13, 19.0 before 19.0.10, 19.1 before 19.1.9, 19.2 before 19.2.9, 19.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server due to integer overflow when compiling a specially crafted regular expression.",
  "id": "CVE-2026-110264",
  "modified": "2026-11-05T21:16:07.459747571Z",
  "published": "2026-10-22T00:33:48.179Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/633633"
    },
    {
      "type": "WEB",
      "url": "https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110264.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110264"
    },
    {
      "type": "REPORT",
      "url": "https://hackerone.com/reports/4093475"
    },
    {
      "type": "PACKAGE",
      "url": "https://gitlab.com/gitlab-org/gitlab"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Integer Overflow or Wraparound in GitLab"
}