CVE-2019-18848
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
Description
The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.11.0-1 |
| sid | Fixed | 1.11.0-1 |
| forky | Fixed | 1.11.0-1 |
| bullseye | Fixed | 1.11.0-1 |
| bookworm | Fixed | 1.11.0-1 |
References
- https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a
- https://nvd.nist.gov/vuln/detail/CVE-2019-18848
- https://github.com/nov/json-jwt
- https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2019-18848.yml
- https://lists.debian.org/debian-lts-announce/2020/10/msg00001.html
- https://security-tracker.debian.org/tracker/CVE-2019-18848
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.