Description
cJSON v1.7.17 was discovered to contain a segmentation violation, which can trigger through the second parameter of function cJSON_SetValuestring at cJSON.c.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | cjson | 1.7.18-1 | — |
| Debian 13 | cjson | 1.7.18-1 | — |
| Debian 12 | cjson | 1.7.15-1+deb12u2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | cjson | 1.7.17-1ubuntu0.1~esm2 | USN-6784-1 |
| Ubuntu Pro 22.04 LTS | cjson | 1.7.15-1ubuntu0.1~esm2 | USN-6784-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Satellite Capsule 6 | cjson | 1.7.18-1.el8sat | RHSA-2025:9838, RHSA-2025:9203, RHSA-2025:9022 |
| Red Hat Satellite Capsule 6 | python-sqlparse +1 | 0.5.0-1.el8pc | RHSA-2025:9838 |
| Red Hat Satellite Capsule 6 | rubygem-rack | 2.2.14-1.el8sat | RHSA-2025:9838 |
| Red Hat Satellite 6 | cjson | 1.7.18-1.el8sat | RHSA-2025:9838, RHSA-2025:9203, RHSA-2025:9022 |
| Red Hat Satellite 6 | python-sqlparse +1 | 0.5.0-1.el8pc | RHSA-2025:9838 |
| Red Hat Satellite 6 | rubygem-rack | 2.2.14-1.el8sat | RHSA-2025:9838 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP5 | cJSON | 1.7.18-bp155.3.3.1 | openSUSE-SU-2024:0139-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | cJSON | 1.7.18-1.1 | openSUSE-SU-2024:14021-1 |
| openSUSE Leap 15.5 | cJSON | 1.7.18-bp155.3.3.1 | openSUSE-SU-2024:0139-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | apparmor | 3.1.7-1 | — |
| Azure Linux 2 (CBL-Mariner) | apparmor | 3.0.4-4 | — |
Advisories 7
- RHSA-2025:9838 Red Hat Security Advisory: Satellite 6.15.5.3 Async Update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:9203 Red Hat Security Advisory: Satellite 6.16.5.2 Async Update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2025:9022 Red Hat Security Advisory: Satellite 6.17.1 Async Update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-6784-1 cjson vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2024:0139-1 Security update for cJSON SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-1323 Red Hat Satellite: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jun 26, 2025
- openSUSE-SU-2024:14021-1 cJSON-devel-1.7.18-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025