SGLang through 0.5.20 Unbounded Memory Allocation via STAGING_REQ chunk_idx
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| sgl-project | sglang | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lmsys | Sglang |
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| Sgl-project | Sglang |
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No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.652% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Sgl-project
Sgl-project sglang |
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| Vendors & Products |
Sgl-project
Sgl-project sglang |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | SGLang versions through 0.5.20 contain an unbounded memory allocation vulnerability in handle_staging_req() that fails to validate chunk_idx from ZMQ STAGING_REQ frames in prefill/decode disaggregation deployments. Attackers with access to the decode engine's internal ZMQ rank port can send a frame with an extremely large chunk_idx value, causing the scheduler to allocate memory until the system runs out and terminates the process. | |
| Title | SGLang through 0.5.20 Unbounded Memory Allocation via STAGING_REQ chunk_idx | |
| First Time appeared |
Lmsys
Lmsys sglang |
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| Weaknesses | CWE-770 | |
| CPEs | cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Lmsys
Lmsys sglang |
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| References |
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| Metrics |
cvssV3_1
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