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nanopb@0.4.4.dev1185 vulnerabilities

Nanopb is a small code-size Protocol Buffers implementation in ansi C. It is especially suitable for use in microcontrollers, but fits any memory restricted system.

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Direct Vulnerabilities

Known vulnerabilities in the nanopb package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Release of Invalid Pointer or Reference

nanopb is a python binding for C package nanopb.

Affected versions of this package are vulnerable to Release of Invalid Pointer or Reference. Decoding a specifically formed message can cause invalid free() or realloc() calls if the message type contains an oneof field, and the oneof directly contains both a pointer field and a non-pointer field. If the message data first contains the non-pointer field and then the pointer field, the data of the non-pointer field is incorrectly treated as if it was a pointer value. Such message data rarely occurs in normal messages, but it is a concern when untrusted data is parsed.

How to fix Release of Invalid Pointer or Reference?

Upgrade nanopb to version 0.3.9.8, 0.4.5 or higher.

[,0.3.9.8) [0.4.0,0.4.5)
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