PyPI/ujson CVE-2026-32875: high 7.5, EPSS 0.48%
UltraJSON has an integer overflow handling large indent leads to buffer overflow or infinite loop
Action: Upgrade ujson to 5.12.0 or later.
pip install ujson==5.12.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.1.0 | 5.12.0 | - |
Fixed versions
| 5.12.0 |
Sources
- osv: GHSA-c8rr-9gxc-jprv
- https://github.com/ultrajson/ultrajson/security/advisories/GHSA-c8rr-9gxc-jprv
- https://nvd.nist.gov/vuln/detail/CVE-2026-32875
- https://github.com/ultrajson/ultrajson/issues/700
- https://github.com/ultrajson/ultrajson/commit/486bd4553dc471a1de11613bc7347a6b318e37ea
- https://github.com/ultrajson/ultrajson
CVE-2026-32875 · published · modified · JSON