CVE Vulnerabilities

CVE-2021-33304

Double Free

Published: Feb 15, 2023 | Modified: Mar 20, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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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.

Weakness

The product calls free() twice on the same memory address.

Affected Software

NameVendorStart VersionEnd Version
PicotcpAltran1.7.0 (including)1.7.0 (including)
Picotcp-ngAltran2.1 (including)2.1 (including)

Potential Mitigations

References