Regular expression denial of service in angular
Priority MEDIUM 63CWE-1333Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-1333.
Summary
Versions of the package angular from 1.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the $resource service 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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01695 77th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | angular | 1.0.0 and later | — | No fix listed | CNA |
| — | org.webjars.bower:angular | 1.0.0 and later | — | No fix listed | CNA |
| — | org.webjars.npm:angular | 1.0.0 and later | — | No fix listed | CNA |
| — | org.webjars.bowergithub.angular:angular | all versions | — | No fix listed | CNA |
| — | angular (npm) | up to 1.8.3 | — | No fix listed | GHSA-2qqx-w9hr-q5gx |
- angular Vendor— Affected 1.0.0 and later Fixed in — No fix listed CNA
- org.webjars.bower:angular Vendor— Affected 1.0.0 and later Fixed in — No fix listed CNA
- org.webjars.npm:angular Vendor— Affected 1.0.0 and later Fixed in — No fix listed CNA
- org.webjars.bowergithub.angular:angular Vendor— Affected all versions Fixed in — No fix listed CNA
- angular (npm) Vendor— Affected up to 1.8.3 Fixed in — No fix listed GHSA-2qqx-w9hr-q5gx
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:* | 1.0.0 – 1.8.3 | Vulnerable | Angularjs |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
- cpe:2.3:a:angularjs:angularjs:*:*:*:*:*:*:*:* Versions 1.0.0 – 1.8.3 Vulnerable ·Angularjs
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 2.1 | Affected | No fix planned: Will not fix |
| Red Hat Ceph Storage 3 | Affected | No fix planned: Out of support scope |
| Red Hat Ceph Storage 4 | Affected | No fix yet |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 9 | Affected | No fix planned: Will not fix |
| Red Hat Fuse 7 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Data Grid 7 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Enterprise Application Platform 6 | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 16.1 | Affected | No fix planned: Will not fix |
| Red Hat Openshift Container Storage 4 | Affected | No fix planned: Out of support scope |
| Red Hat Single Sign-On 7 | Affected | No fix planned: Will not fix |
| Red Hat Storage 3 | Affected | No fix planned: Will not fix |
Not affected: 10 products
- Red Hat Ansible Tower 3
- Red Hat Ceph Storage 5
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat JBoss Enterprise Application Platform 7
- Red Hat JBoss Enterprise Application Platform Expansion Pack
- Red Hat OpenStack Platform 16.2
- Red Hat Openshift Data Foundation 4
- Red Hat Quay 3
Timeline
- 2026-10-02 Threatist record created from CVE-2023-26117
- 2026-10-03 Alias added: GHSA-2qqx-w9hr-q5gx
References
Advisory 2
Other 5
- https://lists.fedoraproject.org/archives/list/[email protected]/message/UDKFLKJ6VZKL52AFVW2OVZRMJWHMW55K/
- https://github.com/angular/angular.js
- https://lists.debian.org/debian-lts-announce/2025/07/msg00005.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/OQWJLE5WE33WNMA54XSJIDXBRK2KL3XJ
- https://lists.fedoraproject.org/archives/list/[email protected]/message/UDKFLKJ6VZKL52AFVW2OVZRMJWHMW55K
Sources
- CVE-2023-26117 · CVE Program
- CVE-2023-26117 · NVD
- FIRST EPSS
- GHSA-2qqx-w9hr-q5gx · GitHub Advisory Database · CC BY 4.0
- CVE-2023-26117 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences