Linux · 
Ubuntu · Package update · September 3, 2025
Ubuntu · Package update · September 3, 2025libcjson1 1.7.15-1ubuntu0.1: libcjson1 1.7.15-1ubuntu0.1 for Ubuntu 22.04.1 LTS (jammy)
libcjson1 1.7.15-1ubuntu0.1, released September 3, 2025, fixes 3 CVEs in libcjson1. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
3
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0077
56th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 1
High 0
Routine 2
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libcjson1 | Ubuntu 22.04.1 LTS (jammy) | 1.7.15-1ubuntu0.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2025-57052 | 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 | 0.0077 | None reported |
| Routine | CVE-2023-53154 | parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSON_ParseWithLength is called. | 5.5 | 0.0028 | None reported |
| Routine | CVE-2023-26819 | cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}. | 2.9 | 0.0024 | None reported |
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