Medium
Security advisory
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
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"
}