{"id":"GHSA-82vg-5v4f-f9wq","aliases":[],"status":"published","title":"Namada-apps can Crash with Excessive Computation in Mempool Validation","description":"### Impact\n\nA malicious transaction may cause a crash in mempool validation.\n\nA transaction with authorization section containing 256 public keys or more with valid matching signatures triggers an integer overflow in signature verification that causes a the node to panic.\n\n### Patches\n\nThis issue has been patched in apps version 1.1.0. The mempool validation has been fixed to avoid overflow.\n\n### Workarounds\n\nThere are no workarounds and users are advised to upgrade.","severity":{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"critical","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2025-02-20T20:33:56Z","modified":"2025-02-20T20:33:58Z","fixes":[{"ecosystem":"crates.io","package":"namada-apps","fixed_in":["1.1.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"namada-apps","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"last_affected":"1.0.0"},{"fixed":"1.1.0"}]}],"versions":["1.0.0"]},{"source":"osv","ecosystem":"crates.io","package":"namada-apps","ranges":[{"type":"SEMVER","events":[{"introduced":"1.0.0"},{"fixed":"1.1.0"}]}],"versions":["1.0.0"]}],"references":[{"url":"https://github.com/anoma/namada/security/advisories/GHSA-82vg-5v4f-f9wq","tags":["web"]},{"url":"https://github.com/advisories/GHSA-82vg-5v4f-f9wq"},{"url":"https://github.com/anoma/namada","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-82vg-5v4f-f9wq","title":"Namada-apps can Crash with Excessive Computation in Mempool Validation","description":"### Impact\n\nA malicious transaction may cause a crash in mempool validation.\n\nA transaction with authorization section containing 256 public keys or more with valid matching signatures triggers an integer overflow in signature verification that causes a the node to panic.\n\n### Patches\n\nThis issue has been patched in apps version 1.1.0. The mempool validation has been fixed to avoid overflow.\n\n### Workarounds\n\nThere are no workarounds and users are advised to upgrade.","status":"published","published":"2025-02-20T20:33:56Z","modified":"2025-02-20T20:33:58Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"critical"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:38:32.275316Z"}],"osv":[{"id":"GHSA-82vg-5v4f-f9wq","title":"Namada-apps can Crash with Excessive Computation in Mempool Validation","description":"### Impact\n\nA malicious transaction may cause a crash in mempool validation.\n\nA transaction with authorization section containing 256 public keys or more with valid matching signatures triggers an integer overflow in signature verification that causes a the node to panic.\n\n### Patches\n\nThis issue has been patched in apps version 1.1.0. The mempool validation has been fixed to avoid overflow.\n\n### Workarounds\n\nThere are no workarounds and users are advised to upgrade.","status":"published","published":"2025-02-20T20:33:56Z","modified":"2025-02-20T20:33:56Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","level":"critical"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:46:41.732368Z"}]}}