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Fencer Vulns
high 7.5

CVE-2023-50471 json

cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_InsertItemInArray at cJSON.c.

published 2023-12-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-55256

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_InsertItemInArray at cJSON.c.

Patch / fix

  • cjson Debian 12 1.7.15-1+deb12u1
  • cjson Debian 14, Debian 13 1.7.17-1

debian advisories DEBIAN-CVE-2023-50471

  • cjson Ubuntu Pro 22.04 LTS 1.7.15-1ubuntu0.1~esm2

ubuntu advisories UBUNTU-CVE-2023-50471

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • cjson satellite capsule 6.15, satellite 6.15 1.7.18-1.el8sat
  • rubygem-rack satellite capsule 6.15, satellite 6.15 2.2.14-1.el8sat
  • python-sqlparse satellite capsule 6.15, satellite 6.15 0.5.0-1.el8pc
  • python3.11-sqlparse satellite capsule 6.15, satellite 6.15 0.5.0-1.el8pc

red hat advisories RHSA-2025:9838

  • cJSON openSUSE Tumbleweed 1.7.17-1.1
  • cJSON Package Hub 15 SP5, openSUSE Leap 15.5 1.7.18-bp155.3.3.1

opensuse advisories openSUSE-SU-2024:13537-1openSUSE-SU-2024:0139-1

  • cjson Alpine 3.24, Alpine 3.23, Alpine 3.22 +7 more 1.7.17-r0

alpine advisories ALPINE-CVE-2023-50471

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • apparmor CBL-Mariner 2.0 3.0.4-3
  • apparmor Azure Linux 3.0 3.1.7-1

azure linux advisories AZL-32206AZL-67464

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-50471 updated cvss 4.0

cjson: segmentation violation in function cJSON_InsertItemInArray

  • Red Hat Satellite 6.15 for RHEL 8 cjson 1.7.18-1.el8sat
    fixed: vendor fix RHSA-2025:9838
  • Red Hat Satellite 6.15 for RHEL 8 satellite 6.15.5.3-1.el8sat, rubygem-rack 2.2.14-1.el8sat, python-sqlparse 0.5.0-1.el8pc, satellite-cli 6.15.5.3-1.el8sat, python3.11-sqlparse 0.5.0-1.el8pc, satellite-common 6.15.5.3-1.el8sat, +2 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/DaveGamble/cJSON/issues/802 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.