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ATTACKERKB
ATTACKERKB
added 2026/06/30 1:56 p.m.9 views

CVE-2026-14178

openGauss 在处理带 NLS 参数的 totimestamp 调用时,totimestampwithfmtnls 会将 nlsfmtstr 保存到 usess-parsercxt.nlsfmtstr。在 seqscan + sort 执行路径下,该字符串原本被分配在 SeqScan 的表达式上下文中;当 SeqScan 完成后,该内存上下文会被 reset,但后续结果输出阶段 timestampout 仍会通过 CheckNlsFormat 访问 usess-parsercxt.nlsfmtstr,导致访问已释放内存。攻击者在具备数据库 SQL 执行权限的情况下,可构造特定...

5.9CVSS5.8AI score0.00351EPSS
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CNNVD
CNNVD
added 2024/07/24 12:0 a.m.9 views

Huawei openGauss 安全漏洞

Huawei openGauss is an open source relational database management system from Huawei China. A security vulnerability exists in Huawei openGauss version 5.0.0, which originates from a vulnerability that could allow a local attacker to cause a denial of service by modifying table properties...

6.5CVSS6.2AI score0.00106EPSS
SaveExploits0References3
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