IBM Guardium Data Protection 12.x Heap OOB Read in TDS7 LOGIN7 Parser
CVE-2026-82334 Published on October 8, 2026
IBM Guardium Data Protection Out-of-bounds Read
IBM Guardium Data Protection 12.0, 12.1, 12.2 is vulnerable to a heap-based out-of-bounds read in the TDS7 LOGIN7 protocol parser. A remote attacker could send a specially crafted TDS LOGIN7 packet containing invalid offset or length values, potentially causing information disclosure or denial of service.
Vulnerability Analysis
CVE-2026-82334 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer. Typically, this can allow attackers to read sensitive information from other memory locations or cause a crash. A crash can occur when the code reads a variable amount of data and assumes that a sentinel exists to stop the read operation, such as a NUL in a string. The expected sentinel might not be located in the out-of-bounds memory, causing excessive data to be read, leading to a segmentation fault or a buffer overflow. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent read operation then produces undefined or unexpected results.
Products Associated with CVE-2026-82334
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Affected Versions
IBM Guardium Data Protection:- Version 12.0 is affected.
- Version 12.1 is affected.
- Version 12.2 is affected.