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Unrated severityNVD Advisory· Published Oct 16, 2023· Updated Feb 13, 2025

Malformed DATA submessage leads to bad-free error in Fast-DDS

CVE-2023-42459

Description

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group). In affected versions specific DATA submessages can be sent to a discovery locator which may trigger a free error. This can remotely crash any Fast-DDS process. The call to free() could potentially leave the pointer in the attackers control which could lead to a double free. This issue has been addressed in versions 2.12.0, 2.11.3, 2.10.3, and 2.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

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Affected products

2
  • Eprosima/FastDDSllm-create2 versions
    >=2.6.0 <2.6.7 || >=2.10.0 <2.10.3 || >=2.11.0 <2.11.3 || <2.12.0+ 1 more
    • (no CPE)range: >=2.6.0 <2.6.7 || >=2.10.0 <2.10.3 || >=2.11.0 <2.11.3 || <2.12.0
    • (no CPE)range: >= 2.11.0, <= 2.11.1

Patches

Vulnerability mechanics

References

4

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