CVE-2019-20922

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Third-Party Advisory github.com Third-Party Advisory snyk.io Third-Party Advisory npmjs.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.npmjs.com/advisories/1300 third party advisory
https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388 third party advisory
https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-20922?
CVE-2019-20922 has been scored as a high severity vulnerability.
How to fix CVE-2019-20922?
To fix CVE-2019-20922, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20922 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-20922 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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