PyPi: Nanopb

CVE-2020-26243

Safety vulnerability ID: 54247

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Nov 25, 2020 Updated at Dec 02, 2024

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Advisory

Nanopb 0.3.9.7 and 0.4.4 include a fix for CVE-2020-26243: Oneof fields with PB_ENABLE_MALLOC can leak memory.
https://github.com/nanopb/nanopb/security/advisories/GHSA-85rr-4rh9-hhwh

Affected package

nanopb

Latest version: 0.4.9.1

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.

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

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Severity Details

CVSS Base Score

HIGH 7.5

CVSS v3 Details

HIGH 7.5

Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality Impact (C): NONE
Integrity Impact (I): NONE
Availability Availability (A): HIGH

CVSS v2 Details

MEDIUM 4.3

Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (Au): NONE
Confidentiality Impact (C): NONE
Integrity Impact (I): NONE
Availability Impact (A): PARTIAL