CVE-2026-67227
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
RabbitMQ: Atom exhaustion: to_atom on global-parameter :name
RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.0.22 and 4.1.14 and 4.2.7 and 4.3.1, Atom exhaustion: toatom on global-parameter :name. resourceexists/2 (and the PUT/DELETE handlers) call rabbitdatacoercion:toatom/1 on the :name URL path segment. toatom/1 uses binarytoatom/2 (unsafe). The endpoint requires policymaker (not management, but below A user with the policymaker tag can crash the node by exhausting the atom table via repeated requests to /api/global-parameters/:name with unique :name Management plugin enabled policymaker tag ~1M HTTP. This issue is fixed in versions 4.0.22 and 4.1.14 and 4.2.7 and 4.3.1.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
rabbitmq-server
- Vendor
- rabbitmq
- Product
- rabbitmq-server
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| >= 4.0.0, < 4.0.22 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 4.1.0, < 4.1.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 4.2.0, < 4.2.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 4.3.0, < 4.3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |