Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| proxygen | unaffected |
|
No data.
No data.
| Vendor | Product | Confidence | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Proxygen | 100% |
|
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No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Mon, 28 Sep 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Facebook
Facebook proxygen |
|
| Vendors & Products |
Facebook
Facebook proxygen |
Mon, 28 Sep 2026 23:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Use-after-free in Facebook proxygen HTTP stream handlers | |
| Weaknesses | CWE-416 |
Mon, 28 Sep 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In proxygen from v2024.10.28.00 until v2026.09.28.00, the HTTPTransaction::onWebTransportUniStream and HTTPTransaction::onWebTransportBidiStream APIs could return stream handles that the stream handler had already freed. HQSession then installed those handles as transport read callbacks, which could lead to use of freed memory. | |
| References |
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MITRE
Status: PUBLISHED
Assigner: Meta
Published:
Updated: 2026-09-28T20:44:45.928Z
Reserved: 2026-09-14T18:40:39.036Z
Link: CVE-2026-91095
Vulnrichment
No data.
NVD
Status : Deferred
Published: 2026-09-28T21:17:19.170
Modified: 2026-09-28T21:17:19.273
Link: CVE-2026-91095
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-28T23:00:07Z