CVE-2023-30463

HIGH

Altran picoTCP < 1.7.0 - Denial of Service via Integer Overflow in pico_ipv6_alloc

Title source: llm

Description

Altran picoTCP through 1.7.0 allows memory corruption (and subsequent denial of service) because of an integer overflow in pico_ipv6_alloc when processing large ICMPv6 packets. This affects installations with Ethernet support in which a packet size greater than 65495 may occur.

References (2)

Core 2

Core References

Exploit, Third Party Advisory

https://georgyg.com/home/picotcp-denial-of-service-cve-2023-30463/

Release Notes

https://github.com/tass-belgium/picotcp/releases

Scores

CVSS v3 7.5

EPSS 0.0087

EPSS Percentile 54.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-190

Status published

Products (1)

altran/picotcp < 1.7.0

Published Apr 19, 2023

Tracked Since Feb 18, 2026