Vulnerability-Lookup

SUSE-SU-2025:03520-1

Vulnerability from csaf_suse - Published: 2025-10-10 07:22 - Updated: 2025-10-10 07:22

Summary

Security update for cJSON

Severity

Important

Notes

Title of the patch: Security update for cJSON

Description of the patch: This update for cJSON fixes the following issues: - CVE-2023-26819: Allocate memory for the temporary buffer when paring numbers (bsc#1241502) - CVE-2025-57052: Fix the incorrect check in decode_array_index_from_pointer (bsc#1249112)

Patchnames: SUSE-2025-3520,SUSE-SLE-Product-WE-15-SP7-2025-3520

CVE-2023-26819

2.9 (Low)


                
                  CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Recommended 1 product

Product	Identifier	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Workstation Extension 15 SP7:libcjson1-1.7.19-150700.3.3.1.x86_64		—	Vendor Fix

Threats

Impact low

CVE-2025-57052

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Recommended 1 product, the same list as for CVE-2023-26819

Threats

Impact important

References

12 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-updates/2025…	self
https://bugzilla.suse.com/1241502	self
https://bugzilla.suse.com/1249112	self
https://www.suse.com/security/cve/CVE-2023-26819/	self
https://www.suse.com/security/cve/CVE-2025-57052/	self
https://www.suse.com/security/cve/CVE-2023-26819	external
https://bugzilla.suse.com/1241502	external
https://www.suse.com/security/cve/CVE-2025-57052	external
https://bugzilla.suse.com/1249112	external

JSON

To clipboard

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          "text": "cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {\"a\": true, \"b\": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.",
          "title": "CVE description"
        }
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}

CVE-2023-26819 (GCVE-0-2023-26819)

Vulnerability from cvelistv5 – Published: 2025-04-19 00:00 – Updated: 2025-11-03 19:28

Summary

cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.

Severity

2.9 (Low)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-21 15:08 UTC

CWE

CWE-440 - Expected Behavior Violation

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/boofish/json_bugs/tree/main/cjson
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

1 product

Vendor	Product	Version
cJSON Project	cJSON	Affected: 1.7.15 (semver) cpe:2.3:a:cjson_project:cjson::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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                "id": "CVE-2023-26819",
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                  }
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          "vendor": "cJSON Project",
          "versions": [
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              "version": "1.7.15",
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            }
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}

CVE-2025-57052 (GCVE-0-2025-57052)

Vulnerability from cvelistv5 – Published: 2025-09-03 00:00 – Updated: 2025-11-03 18:13

Summary

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.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-09-03 17:36 UTC

CWE

n/a
CWE-129 - Improper Validation of Array Index
CWE-125 - Out-of-bounds Read

Assigner

mitre mitre root

References

2 references

URL	Tags
https://x-0r.com/posts/cJSON-Array-Index-Parsing-…
https://lists.debian.org/debian-lts-announce/2025…

Show details on NVD website

JSON

To clipboard

{
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              "attackVector": "NETWORK",
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              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-03T17:41:11.483Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T18:13:42.953Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00019.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-03T14:42:24.347Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://x-0r.com/posts/cJSON-Array-Index-Parsing-Vulnerability"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-57052",
    "datePublished": "2025-09-03T00:00:00.000Z",
    "dateReserved": "2025-08-17T00:00:00.000Z",
    "dateUpdated": "2025-11-03T18:13:42.953Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

SUSE-SU-2025:03520-1

CVE-2023-26819 (GCVE-0-2023-26819)

CVE-2025-57052 (GCVE-0-2025-57052)

Tags

Sightings

Nomenclature

Related by attack behaviour