CVE-2026-35549
Quick assessment
Affected
MariaDB MariaDB
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MariaDB Server是MariaDB开源的一个关系型数据库系统。 MariaDB Server 11.4.10之前版本、11.5.x至11.8.x在11.8.6之前版本和12.x在12.2.2之前版本存在安全漏洞，该漏洞源于caching_sha2_password身份验证插件存在缓冲区溢出，可能导致服务器崩溃。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-35549
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
Source: CVE Program / CVE List V5
Vulnerability Title
MariaDB Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MariaDB Server是MariaDB开源的一个关系型数据库系统。 MariaDB Server 11.4.10之前版本、11.5.x至11.8.x在11.8.6之前版本和12.x在12.2.2之前版本存在安全漏洞，该漏洞源于caching_sha2_password身份验证插件存在缓冲区溢出，可能导致服务器崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-35549
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-35549
请登录查看更多情报信息。
IV. Related Vulnerabilities
Same vendor: MariaDB
-
CVE-2026-48165
MariaDB: unsafe usage of `wsrep_sst_receive_address` values -
CVE-2026-48163
MariaDB: wsrep SST unsafe parameter handling on the donor si -
CVE-2026-44173
MariaDB: FILE privilege was not checked for subqueries in th -
CVE-2026-44172
MariaDB: mysql_real_escape_string() incorrectly handled big5 -
CVE-2026-44171
MariaDB: path traversal in mbstream
Same weakness: CWE-789
-
CVE-2026-102510
Apache PLC4X: Go binding: unbounded allocation and framing f -
CVE-2026-102509
Apache PLC4X, Apache PLC4X: Pre-authentication resource exha -
CVE-2026-102809
PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file -
CVE-2026-92550
Apache Qpid Broker-J: Type size/count handling can lead to e -
CVE-2026-96260
Mattermost server missing request body size limit on plugin
V. Comments for CVE-2026-35549
No comments yet