What’s Vulnerable › Vulnerabilities

CVE-2023-30463

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-19 · updated 2026-06-17
• Weakness: CWE-190

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.

Affected products

• Altran Picotcp: through 1.7.0

References

• https://georgyg.com/home/picotcp-denial-of-service-cve-2023-30463/
• https://github.com/tass-belgium/picotcp/releases
• https://georgyg.com/home/picotcp-denial-of-service-cve-2023-30463/
• https://github.com/tass-belgium/picotcp/releases

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