IBM QRadar SIEM 7.57.6.4 OOB Read Enables DoS & Info Leak
CVE-2026-93442 Published on October 20, 2026
IBM QRadar SIEM Out-of-bounds Read
IBM QRadar SIEM 7.6.0.0 through 7.6.0.4, and 7.5.0 through 7.5.0 Update Package 16 Interim Fix 001 could allow a remote attacker to cause a denial of service or obtain sensitive information due to an out-of-bounds read.
Vulnerability Analysis
CVE-2026-93442 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity, and a high impact on availability.
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-2026-93442
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Affected Versions
IBM QRadar:- Version 7.6.0.0, <= 7.6.0.4 is affected.
- Version 7.5.0, <= 7.5.0 Update Package 16 Interim Fix 001 is affected.