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CVE-2026-16439 (GCVE-0-2026-16439)

Vulnerability from cvelistv5 – Published: 2026-07-21 17:28 – Updated: 2026-07-22 18:27
VLAI
Title
Eclipse OpenJ9 : Using -Xtrace to trace method arguments can lead to buffer underflow
Summary
In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.
Severity
5.8 (Medium)
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:L/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 18:15 UTC
CWE
  • CWE-124 - Buffer underwrite ('buffer underflow')
Assigner
References
Impacted products
Vendor Product Version CPE status
Eclipse Foundation OpenJ9 Affected: 0.8.0 , < 0.60.0 (custom)
Unaffected: 0 , < 0.8.0 (custom)
Unaffected: 0.60.0 (custom)
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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