CVE-2021-33304

9.8 criticalEPSS 0.8%

Critical (9.8) in altran. EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-415
Published: 2023-02-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

altran:picotcp
altran:picotcp-ng

References

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

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