CVE-2024-1013: Unixodbc: out of bounds stack write due to pointer-to-integer types conversion

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-18 · updated 2026-06-17
Weakness: CWE-823

Description

An out-of-bounds stack write flaw was found in unixODBC on 64-bit architectures where the caller has 4 bytes and callee writes 8 bytes. This issue may go unnoticed on little-endian architectures, while big-endian architectures can be broken.

Affected products

unixodbc: all versions

References

https://access.redhat.com/security/cve/CVE-2024-1013
https://bugzilla.redhat.com/show_bug.cgi?id=2260823
https://github.com/lurcher/unixODBC/pull/157
https://access.redhat.com/security/cve/CVE-2024-1013
https://bugzilla.redhat.com/show_bug.cgi?id=2260823
https://github.com/lurcher/unixODBC/pull/157

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