USN-7973-1: cjson Ubuntu

CVSS: UnknownPublished
Published 23-01-2026Last modified 27-04-2026
Open JSON

Vulnerability summary

USN-7973-1 is a vulnerability in cjson Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 3 · Downstream 0 · Related 3
CVE-2023-26819CVE-2023-53154CVE-2025-57052

Timeline

  1. 23-01-2026
    PublishedVulnerability first disclosed.
  2. 27-04-2026
    Last modifiedVulnerability information updated.

Description

cjson vulnerabilities It was discovered that cJSON incorrectly handled parsing large numbers. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-26819) It was discovered that cJSON may perform out-of-bounds read when processing specially crafted JSON files using parse_object. An attacker could possibly use this issue to expose sensitive information or crash the program. (CVE-2023-53154) It was discovered that cJSON incorrectly validated array indices in JSON pointers, which could result in an out-of-bounds memory access. An attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. (CVE-2025-57052)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • cjson< 1.7.10-1.1ubuntu0.1~esm1 | < 1.7.15-1ubuntu0.1 | < 1.7.17-1ubuntu0.1~esm3 | < 1.7.18-3.1ubuntu0.1

1 vendor · 1 product

References

4 links