CVE-2025-27788
Description
JSON is a JSON implementation for Ruby. Starting in version 2.10.0 and prior to version 2.10.2, a specially crafted document could cause an out of bound read, most likely resulting in a crash. Versions prior to 2.10.0 are not vulnerable. Version 2.10.2 fixes the problem. No known workarounds are available.
Predictions
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
- https://github.com/ruby/json/security/advisories/GHSA-9m3q-rhmv-5q44
- https://nvd.nist.gov/vuln/detail/CVE-2025-27788
- https://github.com/ruby/json/commit/c56db31f800d5d508389793e69682f99749dbadf
- https://github.com/ruby/json
- https://github.com/ruby/json/releases/tag/v2.10.2
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json/CVE-2025-27788.yml
- https://security-tracker.debian.org/tracker/CVE-2025-27788
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.