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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: ruby-json: CVE-2026-33210
Message-ID: <177411077100.2319570.12255097868223690571.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0
Date: Sat, 21 Mar 2026 17:32:51 +0100
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Source: ruby-json
Version: 2.19.1+dfsg-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for ruby-json.

CVE-2026-33210[0]:
| Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to
| before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string
| injection vulnerability can lead to denial of service attacks or
| information disclosure, when the allow_duplicate_key: false parsing
| option is used to parse user supplied documents. This issue has been
| patched in versions 2.15.2.1, 2.17.1.2, and 2.19.2.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-33210
    https://www.cve.org/CVERecord?id=CVE-2026-33210
[1] https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3
[2] https://github.com/ruby/json/commit/393b41c3e5f87491e1e34fa59fa78ff6fa179a74

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
]