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Recorded 13 Nov 2026 at 11:07 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVEMicrosoft Security Response Center

Libslirp: libslirp: queue pointer corruption in if_output() leading to denial of service

Libslirp: libslirp: queue pointer corruption in if_output() leading to denial of service

What it said

CVE
CVE-2026-120831
Severity
Moderate
CVSS base score
6.5
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Publicly disclosed
Unknown: not stated by MSRC
Exploitability
Not assessed
Component
Mariner
Weakness
CWE-787: Out-of-bounds Write
Issued by
redhat
Customer action
Required: follow the MSRC remediation guidance
Affected products
azl3 libslirp 4.9.6-1 on Azure Linux 3.0
Updates that fix it
No KB listed
CISA KEV
Not listed in the collected catalog
EPSS
No EPSS score collected
Public detection template
Unknown: detection-template evidence is incomplete or retained
Published
5 Nov 2026 01:04 UTC
Last revised
12 Nov 2026 01:44 UTC
Revision note
Information published.

Source evidence when recorded

Microsoft security releases
IncompleteRead 13 Nov 2026 at 10:02 UTC
CISA KEV
Complete at observationRead 13 Nov 2026 at 11:05 UTC
FIRST EPSS
IncompleteRead 13 Nov 2026 at 10:02 UTC
Public detection templates (Nuclei)
IncompleteRead 13 Nov 2026 at 10:02 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

What changed

  1. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  2. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  3. Detection template: No Nuclei template listed → Unknown: detection-template 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 (14)

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

  1. 13 Nov 2026 · 11:07:20 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  2. 13 Nov 2026 · 11:07:20 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  3. 13 Nov 2026 · 11:07:20 UTC Source coverage: first-epssCurrent → Incomplete
  4. 13 Nov 2026 · 11:07:20 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  5. 12 Nov 2026 · 09:04:19 UTC Last revised10 Nov 2026 14:44 UTC → 12 Nov 2026 01:44 UTC
  6. 11 Nov 2026 · 08:57:52 UTC Last revised5 Nov 2026 01:04 UTC → 10 Nov 2026 14:44 UTC
  7. 6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  8. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  9. 6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
  10. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  11. 6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  12. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  13. 6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
  14. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
ChangeIntel

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Sources read 15 Nov 23:13 UTC · 274 of 275 readable · 250 fully read · 18 waiting for GitHub's hourly limit · documentation 461/469 current

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