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CVE-2026-102554ImportantRevised 7 Nov

Denial of Service via Eager Array Allocation During Deserialization in Guava

MSRC advisory NVD CVE.org

Assessment

Severity
Important
CVSS base score
Not published
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Exploitability
Not assessed
Publicly disclosed
Unknown: not stated by MSRC
EPSS · 30-day forecast
No EPSS score collected
Customer action
Required: follow the MSRC remediation guidance
More details
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Mariner
Weakness
CWE-770: Allocation of Resources Without Limits or Throttling
Issued by
Google
Published
11 Oct 2026 · October 2026
Last revised
7 Nov 2026Information published.

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Open Source Software
3 affected products
  • azl3 guava 33.0.0-1 on Azure Linux 3.0
  • azl3 guava 33.0.0-2 on Azure Linux 3.0
  • azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0

What changed

  1. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  2. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  3. Affected products: azl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 guava 33.0.0-2 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-5 on Azure Linux 3.0 → azl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 guava 33.0.0-2 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0
  4. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  5. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  6. Affected products: azl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0 → azl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 guava 33.0.0-2 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-5 on Azure Linux 3.0
  7. Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → Unknown: not stated by MSRC · Exploitation detected: Not reported by MSRC → Unknown: not stated by MSRC
  8. Affected products: azl3 httpd 2.4.68-1 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0 → azl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0
  9. Detection template: Unknown: exploit-code evidence is incomplete or retained → No Nuclei template listed · CISA KEV: Unknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  10. Detection template: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (42)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 7 Nov 2026 · 08:59:22 UTC Last revised4 Nov 2026 01:44 UTC → 7 Nov 2026 01:48 UTC
  2. 6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  3. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  4. 6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
  5. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  6. 6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  7. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  8. 6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
  9. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  10. 4 Nov 2026 · 08:19:44 UTC Last revised1 Nov 2026 14:51 UTC → 4 Nov 2026 01:44 UTC
  11. 4 Nov 2026 · 08:19:44 UTC Affected productsazl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 guava 33.0.0-2 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-5 on Azure Linux 3.0 → azl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 guava 33.0.0-2 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0
  12. 2 Nov 2026 · 17:30:39 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  13. 2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
  14. 2 Nov 2026 · 17:30:39 UTC Source coverage: first-epssIncomplete → Current
  15. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  16. 2 Nov 2026 · 16:27:39 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  17. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  18. 2 Nov 2026 · 16:27:39 UTC Source coverage: first-epssCurrent → Incomplete
  19. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  20. 2 Nov 2026 · 09:04:36 UTC Last revised24 Oct 2026 01:45 UTC → 1 Nov 2026 14:51 UTC
  21. 2 Nov 2026 · 09:04:36 UTC Affected productsazl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0 → azl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 guava 33.0.0-2 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-5 on Azure Linux 3.0
  22. 29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
  23. 29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
  24. 29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
  25. 29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → Unknown: not stated by MSRC
  26. 29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → Unknown: not stated by MSRC
  27. 26 Oct 2026 · 07:26:10 UTC Affected productsazl3 httpd 2.4.68-1 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0 → azl3 guava 33.0.0-1 on Azure Linux 3.0, azl3 javapackages-bootstrap 1.14.0-4 on Azure Linux 3.0
  28. 24 Oct 2026 · 07:49:07 UTC Last revised13 Oct 2026 01:18 UTC → 24 Oct 2026 01:45 UTC
  29. 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
  30. 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  31. 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
  32. 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
  33. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  34. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  35. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  36. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  37. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  38. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  39. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  40. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  41. 18 Oct 2026 · 14:54:30 UTC Link: October 2026/security?release=2026-Oct#cves
  42. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current

Explore global source statements, affected packages and advisory history for CVE-2026-102554. The catalog has a separate collection scope from Microsoft release records.

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

cve-program · CVE-2026-102554

Published

Denial of Service via Eager Array Allocation During Deserialization in Guava

Allocation of resources without limits or throttling (CWE-770) during Java object deserialization in Google Guava versions 4.0 through 33.7.1 allows an attacker to cause a Denial of Service via OutOfMemoryError. When deserializing CompactHashMap, CompactHashSet, or MapMakerInternalMap instances, Guava eagerly allocates an array based on a caller-specified size parameter without throttling, permitting memory exhaustion from crafted serialization streams.

Source published
9 Oct 2026 15:07:16 UTC
Source modified
9 Oct 2026 18:09:50 UTC
Observed here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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