{"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":"2026-08-12T16:23:52.476876Z","published":"2026-04-03T05:00:18.121Z","related":["CGA-7jvm-68gh-fgfj","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":[{"fixed":"11.4.10"},{"introduced":"11.5.0"},{"fixed":"11.8.6"},{"introduced":"12.0.0"},{"fixed":"12.2.2"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"fixed":"11.4.10"},{"introduced":"11.5.x"},{"fixed":"11.8.x"},{"fixed":"11.8.6"},{"introduced":"12.x"},{"fixed":"12.2.2"}],"source":"DESCRIPTION"}],"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":"0"},{"fixed":"054a893f1645b77e52a329a7fc8cf614eebd1fad"},{"fixed":"d26a6f44c1f2119377e79a9540886c6d8c01472f"},{"introduced":"8f0c9340537b84fcd7012d4a31e6f858e7eb919c"},{"fixed":"9bfea48ce1214cc4470f6f6f8a4e30352cef84e7"}],"database_specific":{"cpe":"cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"11.4.10"},{"introduced":"12.0.0"},{"fixed":"12.2.2"},{"introduced":"11.5.0"},{"fixed":"11.8.6"}],"source":"CPE_RANGE"}}],"versions":["mariadb-11.8.4","mariadb-11.4.9","mariadb-12.1.1","mariadb-11.8.3","mariadb-11.4.8","mariadb-11.8.2","mariadb-11.4.7","mariadb-11.4.6","mariadb-11.8.1","mariadb-11.4.5","mariadb-11.7.1","mariadb-11.4.4","mariadb-11.4.3","mariadb-11.6.1","mariadb-11.4.2","mariadb-11.5.1","mariadb-11.4.1","mariadb-11.0.1","mariadb-10.11.1","mariadb-10.6.1","mariadb-10.6.0","mariadb-10.5.2","mariadb-10.5.0","mariadb-10.4.4","mariadb-10.4.3","mariadb-10.3.6","mariadb-10.3.5","mariadb-10.3.4","mariadb-10.3.2","mariadb-10.3.1","mariadb-10.3.0","mariadb-10.2.2","mariadb-10.2.1","mariadb-10.2.0","mariadb-10.1.8","mariadb-10.1.7","mariadb-10.1.6","mariadb-10.1.5","mariadb-10.1.4","mariadb-10.1.3","mariadb-10.1.2","mariadb-10.1.0"],"database_specific":{"vanir_signatures_modified":"2026-08-12T16:23:52Z","vanir_signatures":[{"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":["331495033010792057398295084692551616862","178889473583969224685848879336469251622","72995215509533274417683389386874442936","34733286214113447932010597917174327234","220595837734737098186096626766433509208","338750869998908232338240892716586972189","200331074068810549623743321810491183265","318528549273668054390962137954896768015","26834430279848683763735550481300098934","68590751291616411132278116452337632760","155245705888256277018230600879388905005","281201383801172153236642507346466029898","11578098737963444869029556637210276545","88679534638751502059684342659870334045","174412566811641505963715332693034819441","212479306865523010564552785282223352918","264094808494796852436130642367514195992"],"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,"digest":{"line_hashes":["333736738574052575197108677744715005253","262810137784205432405179339402165348111","118178308854161151067014370856362614751","10257631431620263937293216233444103471"],"threshold":0.9}},{"target":{"file":"sql/sp_instr.cc","function":"sp_lex_instr::parse_expr"},"deprecated":false,"digest":{"function_hash":"47421469537526624674199985998928255848","length":2658},"id":"CVE-2026-35549-fe069a50","signature_type":"Function","signature_version":"v1","source":"https://github.com/mariadb/server/commit/d26a6f44c1f2119377e79a9540886c6d8c01472f"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35549.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}