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Permalink CVE-2026-59295
5.9 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): High (H)
created 3 weeks ago Activity log
  • Created & dismissed (no matching packages found) suggestion 3 weeks ago
Micrometer Instrumentation of Apache HttpAsyncClient Denial of Service Vulnerability

Micrometer-instrumented Apache HttpAsyncClient (4.x or 5.x) usage via MicrometerHttpClientInterceptor can leak memory unboundedly when asynchronous requests fail before receiving a response (e.g. connection resets or timeouts). Tracking state for these requests remains in memory indefinitely, and sustained failures lead to heap exhaustion and OutOfMemoryError crashes.

Affected products

io.micrometer:micrometer-core
  • =<1.16.6
  • ==1.16.6.1
  • ==1.17.1
  • ==1.9.19
  • ==1.16.7
  • =<1.14.16
  • =<1.9.18
  • =<1.15.12
  • ==1.15.13
  • ==1.17.0.1
  • ==1.14.17
  • ==1.17.0