CVE-2026-3298
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)
Out-of-bounds write in Windows asyncio.ProacterEventLoop.sock_recvfrom_into() when using nbytes
The method "sock_recvfrom_into()" of "asyncio.ProacterEventLoop" (Windows only) was missing a boundary check for the data buffer when using nbytes parameter. This allowed for an out-of-bounds buffer write if data was larger than the buffer size. Non-Windows platforms are not affected.
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.
CPython
- Vendor
- Python Software Foundation
- Product
- CPython
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | affected | python | 3.11.16 | Unavailable | None listed |
| 3.12.0 | affected | python | 3.12.14 | Unavailable | None listed |
| 3.13.0 | affected | python | 3.13.14 | Unavailable | None listed |
| 3.14.0a1 | affected | python | 3.14.5rc1 | Unavailable | None listed |
| 3.15.0a1 | affected | python | 3.15.0b1 | Unavailable | None listed |