CVE-2026-82335: ibm guardium data protection

Vulnerability summary

CVE-2026-82335 is a critical (CVSS 9.8) vulnerability in ibm guardium data protection. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.9% of scored vulnerabilities.

Timeline

1. 08-10-2026
   PublishedVulnerability first disclosed.
2. 10-10-2026
   Last modifiedVulnerability information updated.

Description

IBM Guardium Data Protection 12.0, 12.1, 12.2 is vulnerable to a heap-based buffer overflow in the MongoDB protocol parser. A remote attacker could send a specially crafted MongoDB SCRAM username containing an excessive length and cause memory corruption, potentially resulting in denial of service or arbitrary code execution.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.