CVE-2026-32874
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
UltraJSON has a Memory Leak parsing large integers allows DoS
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | ujson | >=5.4.0,<5.12.0 | 5.12.0 |
References
- https://github.com/ultrajson/ultrajson/security/advisories/GHSA-wgvc-ghv9-3pmm
- https://nvd.nist.gov/vuln/detail/CVE-2026-32874
- https://github.com/ultrajson/ultrajson/commit/4baeb950df780092bd3c89fc702a868e99a3a1d2
- https://github.com/ultrajson/ultrajson
- https://github.com/ultrajson/ultrajson/releases/tag/5.12.0
- https://security-tracker.debian.org/tracker/CVE-2026-32874
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.