CVE catalog
CVE-2019-20922
node-handlebars: CVE-2019-20922
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.69% · Oct 25, 2026
Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | node-handlebars | sid | 3:4.7.10-1 | not affected |
| Debian | node-handlebars | forky | 3:4.7.10-1 | not affected |
| Debian | node-handlebars | trixie | 3:4.7.7+~4.1.0-1 | not affected |
| Debian | node-handlebars | bookworm | 3:4.7.7+~4.1.0-1 | not affected |
| Ubuntu | node-handlebars | 18.04 | 3:4.0.10-5 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | node-handlebars | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | node-handlebars | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | node-handlebars | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | node-handlebars | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [handlebars]Not affected
Source package: [node-handlebars]
Details (2)
3:4.7.7+~4.1.0-1· all · bookwormNot affected
dsa · node-handlebars · debian · bookworm
3:4.7.7+~4.1.0-1· all · bookwormNot affected
dsa · node-handlebars · debian · bookworm
- [libjs-handlebars]Not affected
Source package: [node-handlebars]
Details (2)
3:4.7.7+~4.1.0-1· all · bookwormNot affected
dsa · node-handlebars · debian · bookworm
3:4.7.7+~4.1.0-1· all · bookwormNot affected
dsa · node-handlebars · debian · bookworm
- [libjs-handlebars.runtime]Not affected
Source package: [node-handlebars]
Details (2)
3:4.7.7+~4.1.0-1· all · bookwormNot affected
dsa · node-handlebars · debian · bookworm
3:4.7.7+~4.1.0-1· all · bookwormNot affected
dsa · node-handlebars · debian · bookworm
Observed:
References
- [https://osv.dev/vulnerability/UBUNTU-CVE-2019-20922]
- [https://security-tracker.debian.org/tracker/CVE-2019-20922]
- [https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-20922.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]