CVE-2026-22590 eProsima Fast DDS - Out-of-Bounds Read

eProsima Fast DDS < 2.6.12, 2.14.6, 3.2.4, 3.3.1, and 3.4.2 contains an out-of-bounds read caused by improper validation of DATA_FRAG submessage payload length in CacheChange_t::add_fragments, letting remote attackers read adjacent heap memory, exploit requires crafted DATA_FRAG packets.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.38% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out-of-Bounds Read
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Published
9 September 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to versions 2.6.12, 2.14.6, 3.2.4, 3.3.1, or 3.4.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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