What’s Vulnerable › Vulnerabilities

CVE-2021-33304

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-15 · updated 2026-06-17
• Weakness: CWE-415

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.

Affected products

• Altran Picotcp: 1.7.0
• Altran Picotcp-Ng: 2.1

References

• https://github.com/virtualsquare/picotcp/issues/6
• https://github.com/virtualsquare/picotcp/issues/6

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