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CVE-2020-17529

Apache NuttX (incubating) Out of Bound Write from invalid fragmentation offset value specified in the IP header

CRITICAL
9.8
CVSS Score
Published: December 9, 2020 at 04:35 PM UTC
Updated: June 17, 2026 at 02:59 AM UTC
1 product affected across 1 vendorNuttx

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%

Description

Out-of-bounds Write vulnerability in TCP Stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying and invalid fragmentation offset value specified in the IP header. This is only impacts builds with both CONFIG_EXPERIMENTAL and CONFIG_NET_TCP_REASSEMBLY build flags enabled.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nuttx· Apache
95%
v ≤ 9.1.010.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/12/09/5
x_refsource_MISCMailing Listx_refsource_MLISTVendor Advisory
Source: [email protected]
https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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