CVE catalog
CVE-2025-67221
python311-orjson-3.11.5-1.1 on GA media
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.63% · Oct 25, 2026
A flaw was found in orjson. The `orjson.dumps` function does not properly limit recursion when processing deeply nested JSON documents. A remote attacker could exploit this vulnerability by providing a specially crafted JSON document, leading to a Denial of Service (DoS) condition. orjson: orjson: Denial of Service due to unbounded recursion with deeply nested JSON documents For this flaw to be remotely exploitable, the system must accept data from untrusted users. For that reason, our analysis indicates the attack vector for this flaw is "Local". The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| PyPI | orjson | Not reported | 3.11.5 | fixed |
| PyPI | orjson | Not reported | 3.11.6 | fixed |
| Suse | python-orjson | linux enterprise server 16.0 | 3.10.15-160000.3.1 | fixed |
| Suse | python-orjson | linux enterprise server for sap applications 16.0 | 3.10.15-160000.3.1 | fixed |
| Opensuse | python-orjson | leap 16.0 | 3.10.15-160000.3.1 | fixed |
| Opensuse | python-orjson | tumbleweed | 3.11.5-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| PyPI | orjson | PyPI | Not reported | 3.11.5 | Not reported | PYSEC-2026-107 | Not reported |
| PyPI | orjson | PyPI | Not reported | 3.11.6 | Not reported | GHSA-HX9Q-6W63-J58V | Not reported |
| Suse | python-orjson | rpm | linux enterprise server 16.0 | 3.10.15-160000.3.1 | Not reported | SUSE-SU-2026:20920-1 | Not reported |
| Suse | python-orjson | rpm | linux enterprise server for sap applications 16.0 | 3.10.15-160000.3.1 | Not reported | SUSE-SU-2026:20920-1 | Not reported |
| Opensuse | python-orjson | rpm | leap 16.0 | 3.10.15-160000.3.1 | Not reported | OPENSUSE-SU-2026:20407-1 | Not reported |
| Opensuse | python-orjson | rpm | tumbleweed | 3.11.5-1.1 | Not reported | OPENSUSE-SU-2026:10103-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [python313-orjson]Unknown
Source package: [python-orjson]
Details (1)
3.11.9-1.3· x86_64 · tumbleweedUnknown · Fixed:
3.11.5-1.1Version impact unknown
pypi · python-orjson · opensuse · tumbleweed
- [python314-orjson]Unknown
Source package: [python-orjson]
Details (1)
3.11.9-1.3· x86_64 · tumbleweedUnknown · Fixed:
3.11.5-1.1Version impact unknown
pypi · python-orjson · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/]
- [https://osv.dev/vulnerability/GHSA-hx9q-6w63-j58v]
- [https://osv.dev/vulnerability/SUSE-SU-2026:20920-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10103-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:20407-1]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-67221.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3046.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]