CVE-2019-18848

Description

The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.67% Top 30%
Third-Party Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a patch
https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0 patch
https://lists.debian.org/debian-lts-announce/2020/10/msg00001.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2019-18848?
CVE-2019-18848 has been scored as a high severity vulnerability.
How to fix CVE-2019-18848?
To fix CVE-2019-18848, 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-2019-18848 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-18848 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.