CVE-2026-45684
Published:June 02, 2026
Updated:June 07, 2026
OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From version 0.7.0 to before version 0.9.0, OBI's log enricher mishandles writev buffers by reading only the first iovec entry but using the total iov_iter.count as the copy length. When log injection is enabled, a crafted multi-segment writev call can make OBI read and overwrite memory beyond the first segment. This issue has been patched in version 0.9.0.
Affected Packages
https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation.git (GITHUB):
Affected version(s) >=v0.7.0 <v0.9.0Fix Suggestion:
Update to version v0.9.0go.opentelemetry.io/obi (GO):
Affected version(s) >=v0.7.0 <v0.9.0Fix Suggestion:
Update to version v0.9.0Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.9
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
EPSS
Base Score:
0.01