{"id":"CVE-2017-9227","details":"An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds read occurs in mbc_enc_len() during regular expression searching. Invalid handling of reg-\u003edmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer.","modified":"2026-05-17T11:53:58.146470440Z","published":"2017-05-24T15:29:00.323Z","related":["SUSE-SU-2017:1585-1","SUSE-SU-2017:1662-1","SUSE-SU-2017:1717-1"],"database_specific":{},"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/100538"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:1296"},{"type":"FIX","url":"https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814"},{"type":"FIX","url":"https://github.com/kkos/oniguruma/issues/58"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}