UBUNTU-CVE-2026-67215

cJSON through 1.7.19 is vulnerable to uncontrolled recursion leading t...

EUVD-2026-50328

cJSON through 1.7.19 contains an inefficient algorithmic complexity flaw in cJSONCompare. When comparing objects, the function recurses into each shared subtree twice, once in each direction, with no depth guard, making the running time exponential in nesting depth. A small, deeply nested documen...

EUVD-2026-49129

cJSON library is vulnerable to an integer overflow in the printstringptr function in cJSON.c on 32-bit platforms. The escapecharacters counter, a 32-bit sizet, can wrap around when processing strings containing approximately 858,993,460 or more control characters, causing the output buffer to be...

PYSEC-2026-921 simplejson before 2.6.1 vulnerable to array index error

Array index error in the scanstring function in the json module in Python 2.7 through 3.5 and simplejson before 2.6.1 allows context-dependent attackers to read arbitrary process memory via a negative index value in the idx argument to the rawdecode function...

Unity Linux 20.1060e / 20.1070e Security Update: json-lib (UTSA-2026-017417)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017417 advisory. Apache Log4j2 2.0-beta9 through 2.15.0 excluding security releases 2.12.2, 2.12.3, and 2.3.1 JNDI features used in configuration, log messages, and parameters do not...

haproxy: denial of service vulnerability in HAProxy mjson library

A flaw was found in haproxy. A stemming from an inefficient algorithmic complexity issue within its bundled mjson parsing library. This vulnerability is triggered when haproxy is configured to analyze JSON content, such as with the jsonquery or jwtpayloadquery function...

[SECURITY] Fedora 44 Update: rubygem-json-2.19.2-1.fc44

This is a implementation of the JSON specification according to RFC 4627 in Ruby. You can think of it as a low fat alternative to XML, if you want to store data to disk or transmit it over a network rather than use a verbose markup language...

CVE-2026-24813

CVE-2026-24813 describes a NULL pointer dereference in abcz316/SKRoot-linuxKernelRoot, tied to the cJSON.Cpp component within the testRoot/jni/utils modules. The issue affects SKRoot-linuxKernelRoot. Reported impact indicates high potential for availability loss, with no reported confidentiality ...

Astra Linux – Vulnerability in cjson

In versions of cJSON 1.5.0 through 1.7.18, the decodearrayindexfrompointer function in cJSONUtils.c allows for out-of-bounds access. This enables remote attackers to bypass array bounds checking and access restricted data through malformed JSON pointer strings containing alphanumeric characters...

Astra Linux – Vulnerability in cjson

In cJSON before version 1.7.18, parsestring has a heap-based buffer over-read issue, occurring through "1":1, without any trailing newline characters when cJSONParseWithLength is called...

EUVD-2025-36675

Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, DecodeCiscat implementation does not check the return the value of cJSONGetObjectItem for a possible NULL value in case of an error. A compromised agent can cause a crash of analysisd by...

EUVD-2015-2428

Malware in sbrugna...

EUVD-2024-34736

Malicious code in bioql PyPI...

CVE-2025-40930 JSON::SIMD before version 1.07 and earlier for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

JSON::SIMD before version 1.07 and earlier for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact...

PT-2025-36473

Name of the Vulnerable Software and Affected Versions: JSON::XS versions prior to 4.04 Description: JSON::XS, a Perl module, contains an integer buffer overflow that can lead to a segmentation fault when processing specially crafted JSON data. This issue may result in denial-of-service attacks...

Linux Distros Unpatched Vulnerability : CVE-2025-57052

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decodearrayindexfrompointer function in cJSONUtils.c, allowing remote attackers to bypass array...

UBUNTU-CVE-2025-9403

A vulnerability was determined in jqlang jq up to 1.6. Impacted is the function runjqtests of the file jqtest.c of the component JSON Parser. Executing manipulation can lead to reachable assertion. The attack requires local access. The exploit has been publicly disclosed and may be utilized. Othe...

MAL-2025-12111 Malicious code in @zalastax/nolb-json-t (npm)

The package @zalastax/nolb-json-t was found to contain malicious code...

MAL-2025-12106 Malicious code in @zalastax/nolb-json-o (npm)

The package @zalastax/nolb-json-o was found to contain malicious code...

OESA-2025-1965 cjson security update

cJSON aims to be the dumbest possible parser that you can get your job done with. It's a single file of C, and a single header file. %package devel Summary: Development files for cJSON Requires: = - Requires: pkgconfig %description devel The cjson-devel package contains libraries and header files...