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01 Record

CVE-2026-118259

opentelemetry-java: Quadratic CPU consumption in W3C tracestate parsing

MediumPUBLISHEDCNA: GitHub_M
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

02 Description

opentelemetry-java: Quadratic CPU consumption in W3C tracestate parsing

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD analysis status
Received. NVD last modified this record on 2026-10-28.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-28 18:53Z18 HR AGO
Last updated
2026-10-28 18:53Z18 HR AGO
Reserved
2026-10-27
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
  • CWE-1333Inefficient Regular Expression ComplexityBase
Data version
5.2
Document digest
e40aa13d27ec223698b66b57d468346b1946d6108aa16acf0d7e63d1c207f4f5

05 Affected products

VendorProductVersionsPlatforms
open-telemetryopentelemetry-java< 1.67.0—

06 References