# DSA-6001-1: cjson security update

DSA-6001-1, released September 14, 2025, fixes 1 CVE in cjson. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/dsa-6001-1
- Platform: Linux
- Released: Sep 14, 2025
- Priority: Urgent (Closes CVE-2025-57052, rated Critical)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2025-57052

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [cjson](https://patchblox.com/security/data/product/linux/cjson.md) | Debian 12.15 (bookworm) | 1.7.15-1+deb12u4 |
| [cjson](https://patchblox.com/security/data/product/linux/cjson.md) | Debian 13.5 (trixie) | 1.7.18-3.1+deb13u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-57052](https://patchblox.com/security/data/cve/CVE-2025-57052.md) | Urgent | cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJSON_Utils.c, allowing remote attackers to bypass array bounds checking and access restricted data via malformed JSON pointer strings containing alphanumeric characters. | 9.8 | 0.0074 |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo