{"id":"CVE-2026-7425","summary":"Out-of-Bounds Read in Router Advertisement Option Parser in FreeRTOS-Plus-TCP","details":"Insufficient option length validation in the IPv6 Router Advertisement parser in FreeRTOS-Plus-TCP before V4.2.6 and V4.4.1 allows an adjacent network actor to cause a denial of service (device crash) by sending a crafted Router Advertisement with a truncated PREFIX_INFORMATION option that is smaller than the expected structure size.\n\n\n\nTo mitigate this issue, users should upgrade to the fixed version when available.","aliases":["GHSA-gffr-xgjg-jh9j"],"modified":"2026-07-15T01:49:01.345852279Z","published":"2026-04-29T18:52:36.439Z","database_specific":{"cwe_ids":["CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7425.json","cna_assigner":"AMZN"},"references":[{"type":"ADVISORY","url":"https://aws.amazon.com/security/security-bulletins/2026-023-aws/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7425.json"},{"type":"ADVISORY","url":"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-gffr-xgjg-jh9j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7425"},{"type":"FIX","url":"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.2.6"},{"type":"FIX","url":"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.4.1"},{"type":"PACKAGE","url":"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/freertos/freertos-plus-tcp","events":[{"introduced":"3e26a338bd1547bbaa6f4965def1a4b152620d3e"},{"fixed":"5986530664073a609e634bde63dd9bff37e725f0"},{"introduced":"dd4d689acc04015e5a2a3ef2cebb6725f55c60be"},{"fixed":"c12361095aca68aeed858f45d14395fbffa92c0d"}],"database_specific":{"cpe":"cpe:2.3:a:amazon:freertos-plus-tcp:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.0.0"},{"fixed":"4.2.6"},{"introduced":"4.3.0"},{"fixed":"4.4.1"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["V4.2.5","V4.4.0","V4.2.4","V4.2.3","V4.2.2","V4.2.1","V4.2.0","V4.0.0-appsec"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7425.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}