VulnerabilityModified
CVE-2021-26461
Apache Nuttx Versions prior to 10.1.0 are vulnerable to integer wrap-around in functions malloc, realloc and memalign.
CRITICAL 9.8EPSS 5.04%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Apache Nuttx Versions prior to 10.1.0 are vulnerable to integer wrap-around in functions malloc, realloc and memalign. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.04% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- apache/nuttx
- Source
- security@apache.org
References
- https://lists.apache.org/thread.html/r806fccf8b003ae812d807c6c7d97950d44ed29b2713418cbe3f2bddd%40%3Cdev.nuttx.apache.org%3EMailing List, Vendor Advisory
- https://lists.apache.org/thread.html/r806fccf8b003ae812d807c6c7d97950d44ed29b2713418cbe3f2bddd%40%3Cdev.nuttx.apache.org%3EMailing List, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.