{"id":"CVE-2023-30463","details":"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.","modified":"2026-08-12T03:51:42.082116241Z","published":"2023-04-19T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30463.json"},"references":[{"type":"WEB","url":"https://georgyg.com/home/picotcp-denial-of-service-cve-2023-30463/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30463.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30463"},{"type":"PACKAGE","url":"https://github.com/tass-belgium/picotcp/releases"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tass-belgium/picotcp","events":[{"introduced":"0"},{"fixed":"13c00a067190f5ec62340ed932a2bb833c366d63"}],"database_specific":{"source":["DESCRIPTION","CPE_RANGE"],"cpe":"cpe:2.3:a:altran:picotcp:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.7.0"},{"last_affected":"1.7.0"}]}}],"versions":["v1.6.2","v1.6.1","v1.6.0","v1.5.1","v1.5.0","v1.3.0","V1.2.4","v1.2.2","v1.2.1","v1.2","sprint8","sprint7","V1.0","sprint6","sprint5","sprint4","sprint3","sprint2","sprint1","sprint0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-30463.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}