CVE-2023-26116

Name: CVE-2023-26116
Creator: NVD / NIST
Published: 2023-03-30T05:15:07.41+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.70%

Last modified Jun 17, 2026

CVE-2023-26116 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.70% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

1.70%

74.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Angularjs	Angularjs	>= 1.2.21, <= 1.8.3
Fedoraproject	Fedora	38

References

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQWJLE5WE33WNMA54XSJIDXBRK2KL3XJ/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDKFLKJ6VZKL52AFVW2OVZRMJWHMW55K/
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-5406320Exploit, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBANGULAR-5406322Exploit, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-5406321Exploit, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-ANGULAR-3373044Exploit, Third Party Advisory
https://stackblitz.com/edit/angularjs-vulnerability-angular-copy-redosExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/07/msg00005.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQWJLE5WE33WNMA54XSJIDXBRK2KL3XJ/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDKFLKJ6VZKL52AFVW2OVZRMJWHMW55K/
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-5406320Exploit, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBANGULAR-5406322Exploit, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-5406321Exploit, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-ANGULAR-3373044Exploit, Third Party Advisory
https://stackblitz.com/edit/angularjs-vulnerability-angular-copy-redosExploit, Third Party Advisory

Timeline

Published: Mar 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26116?

How severe is CVE-2023-26116?

CVE-2023-26116 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.70% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26116?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26116?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST