CVE-2021-33304

CRITICAL

picoTCP and picoTCP-NG - Double Free in pico_fragments_reassemble

Title source: llm
STIX 2.1

Description

Double Free vulnerability in virtualsquare picoTCP v1.7.0 and picoTCP-NG v2.1 in modules/pico_fragments.c in function pico_fragments_reassemble, allows attackers to execute arbitrary code.

References (1)

Core 1
Core References
Issue Tracking, Patch, Vendor Advisory
https://github.com/virtualsquare/picotcp/issues/6

Scores

CVSS v3 9.8
EPSS 0.0084
EPSS Percentile 52.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-415
Status published
Products (2)
altran/picotcp 1.7.0
altran/picotcp-ng 2.1
Published Feb 15, 2023
Tracked Since Feb 18, 2026