Heap-based Buffer Overflow Affecting nekernel-org/nekernel package, versions [0.0.2,0.0.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published8 Jul 2025
- disclosed2 Jun 2025
- creditUnknown
Introduced: 2 Jun 2025
CVE-2025-48990 (opens in a new tab)How to fix?
Upgrade nekernel-org/nekernel to version 0.0.3 or higher.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the rt_copy_memory function. An attacker can corrupt memory and potentially execute arbitrary code by exploiting the buffer overflow condition where a null terminator is written beyond the allocated buffer space.
Note: This is only exploitable if the length of the destination buffer is exactly 256 bytes, as this triggers the overflow.