CVE-2026-54696
1 advisory.
RubyGems/json CVE-2026-54696: low 3.7
Ruby json: JSON generator heap buffer overflow when streaming to an IO
Action: Upgrade json to 2.19.9 or later.
bundle update jsonAffected
| introduced | fixed | last affected |
|---|---|---|
| 2.9.0 | 2.19.9 | - |
Fixed versions
| 2.19.9 |
Sources
- osv: GHSA-x2f5-4prf-w687
- https://github.com/ruby/json/security/advisories/GHSA-x2f5-4prf-w687
- https://nvd.nist.gov/vuln/detail/CVE-2026-54696
- https://github.com/ruby/json/commit/996bac686d64e4e3aaeae03b14a7f9ee9695ebdb
- https://github.com/ruby/json
- https://github.com/ruby/json/releases/tag/v2.19.9
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json/CVE-2026-54696.yml
CVE-2026-54696 · published · modified · JSON