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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2023-26116

Versions of the package angular from 1.2.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the angular.copy() utility function due to the usage of an insecure regular expression. Exploiting this vulnerability is possible by a large carefully-crafted input, which can result in catastrophic backtracking.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-26116
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 13:23 UTC · Revision 1

Source evidence

CVE-2023-26116

core-osv · Original source

Published 30 Mar 2023, 05:00 UTC

Versions of the package angular from 1.2.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the angular.copy() utility function due to the usage of an insecure regular expression. Exploiting this vulnerability is possible by a large carefully-crafted input, which can result in catastrophic backtracking.

osv:CVE-2023-26116
Complete source record
{
  "id": "2ce6c776cff81a011753c929d76271fff12619d904081114e2b9b6eb4a811e65",
  "url": "https://osv.dev/vulnerability/CVE-2023-26116",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-26116",
    "summary": "Versions of the package angular from 1.2.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the angular.copy() utility function due to the usage of an insecure regular expression. Exploiting this vulnerability is possible by a large carefully-crafted input, which can result in catastrophic backtracking.",
    "evidence": "osv:CVE-2023-26116",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-26116",
      "aliases": [
        "CVE-2023-26116",
        "GHSA-2vrf-hf26-jrp5"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/angular/angular.js",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cd9afd99615fff72e87971700f1346525ba76c59"
                },
                {
                  "last_affected": "cf16b241e1c61c22a820ed8211bc2332ede88e62"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.2.21"
                      },
                      {
                        "last_affected": "1.8.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26116.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.800215504Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2025/07/msg00005.html",
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQWJLE5WE33WNMA54XSJIDXBRK2KL3XJ/",
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDKFLKJ6VZKL52AFVW2OVZRMJWHMW55K/",
        "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-5406320",
        "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBANGULAR-5406322",
        "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-5406321",
        "https://security.snyk.io/vuln/SNYK-JS-ANGULAR-3373044",
        "https://stackblitz.com/edit/angularjs-vulnerability-angular-copy-redos",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26116.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-26116"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1333"
        ],
        "cna_assigner": "snyk",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.2.21"
                  },
                  {
                    "fixed": "*"
                  },
                  {
                    "introduced": "1.2.21"
                  },
                  {
                    "fixed": "*"
                  },
                  {
                    "introduced": "1.2.23"
                  },
                  {
                    "fixed": "*"
                  },
                  {
                    "fixed": "*"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26116.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-26116",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495820,
  "published_at": "2023-03-30T05:00:03.402+00:00"
}