{"id":"ALPINE-CVE-2025-62291","details":"In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.","modified":"2026-08-27T22:18:02.997185939Z","published":"2026-01-16T19:16:18.163Z","upstream":["CVE-2025-62291"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2025-62291"}],"affected":[{"package":{"name":"strongswan","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.13-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62291.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.14-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62291.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.14-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62291.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.14-r3"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62291.json"}},{"package":{"name":"strongswan","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/strongswan?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.14-r3"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62291.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}