{"id":"CVE-2026-35549","details":"An issue was discovered in MariaDB Server before 11.4.10, 11.5.x through 11.8.x before 11.8.6, and 12.x before 12.2.2. If the caching_sha2_password authentication plugin is installed, and some user accounts are configured to use it, a large packet can crash the server because sha256_crypt_r uses alloca.","aliases":["BIT-mariadb-2026-35549","BIT-mariadb-min-2026-35549","BIT-mysql-client-2026-35549"],"modified":"2026-11-08T07:11:23.473942247Z","published":"2026-04-03T05:00:18.121Z","related":["SUSE-SU-2026:22095-1","SUSE-SU-2026:2330-1","openSUSE-SU-2026:10897-1","openSUSE-SU-2026:20933-1"],"database_specific":{"cwe_ids":["CWE-789"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35549.json","unresolved_ranges":[{"extracted_events":[{"strategy":"StandardRange","range":[{"fixed":"11.4.10"},{"introduced":"11.5.0"},{"fixed":"11.8.6"},{"introduced":"12.0.0"},{"fixed":"12.2.2"}],"source":"AFFECTED_FIELD"}]}],"cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://jira.mariadb.org/browse/MDEV-38365"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35549.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35549"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mariadb/server","events":[{"introduced":"c21d462e6adb8dfb5925b8a85900550ce1b3f2b6"},{"fixed":"9bfea48ce1214cc4470f6f6f8a4e30352cef84e7"},{"introduced":"893761b35ccd33f38ac0aee0ee0b551b7df67efa"},{"fixed":"d26a6f44c1f2119377e79a9540886c6d8c01472f"},{"introduced":"aa6a2e6bf05d43c3bb44db50566937a5f97a6580"},{"last_affected":"aa6a2e6bf05d43c3bb44db50566937a5f97a6580"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"11.8.4"},{"fixed":"11.8.6"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*"},{"range":[{"introduced":"12.1.1"},{"fixed":"12.2.2"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*"},{"range":[{"introduced":"11.4.9"},{"last_affected":"11.4.9"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:mariadb:mariadb:11.4.9:*:*:*:*:*:*:*"}]}}],"versions":["11.4.9","mariadb-11.4.9","mariadb-12.1.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35549.json","vanir_signatures":[{"digest":{"threshold":0.9,"line_hashes":["331495033010792057398295084692551616862","178889473583969224685848879336469251622","72995215509533274417683389386874442936","34733286214113447932010597917174327234","220595837734737098186096626766433509208","338750869998908232338240892716586972189","200331074068810549623743321810491183265","318528549273668054390962137954896768015","26834430279848683763735550481300098934","68590751291616411132278116452337632760","155245705888256277018230600879388905005","281201383801172153236642507346466029898","11578098737963444869029556637210276545","88679534638751502059684342659870334045","174412566811641505963715332693034819441","212479306865523010564552785282223352918","264094808494796852436130642367514195992"]},"id":"CVE-2026-35549-22eb6579","signature_type":"Line","signature_version":"v1","source":"https://github.com/mariadb/server/commit/d26a6f44c1f2119377e79a9540886c6d8c01472f","target":{"file":"sql/sp_instr.cc"},"deprecated":false},{"digest":{"line_hashes":["333736738574052575197108677744715005253","262810137784205432405179339402165348111","118178308854161151067014370856362614751","10257631431620263937293216233444103471"],"threshold":0.9},"id":"CVE-2026-35549-f170ab29","signature_type":"Line","signature_version":"v1","source":"https://github.com/mariadb/server/commit/d26a6f44c1f2119377e79a9540886c6d8c01472f","target":{"file":"sql/sp_instr.h"},"deprecated":false},{"deprecated":false,"digest":{"length":2658,"function_hash":"47421469537526624674199985998928255848"},"id":"CVE-2026-35549-fe069a50","signature_type":"Function","signature_version":"v1","source":"https://github.com/mariadb/server/commit/d26a6f44c1f2119377e79a9540886c6d8c01472f","target":{"function":"sp_lex_instr::parse_expr","file":"sql/sp_instr.cc"}}],"vanir_signatures_modified":"2026-11-08T07:11:23Z"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}