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Recorded 11 Nov 2026 at 08:57 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
No Nuclei template listed
Published
5 Nov 2026 01:04 UTC
Last revised
10 Nov 2026 14:44 UTC
Revision note
Information published.

Source evidence when recorded

Microsoft security releases
Complete at observationRead 11 Nov 2026 at 08:56 UTC
CISA KEV
Complete at observationRead 11 Nov 2026 at 08:56 UTC
FIRST EPSS
Complete at observationRead 11 Nov 2026 at 08:56 UTC
Public detection templates (Nuclei)
Complete at observationRead 11 Nov 2026 at 08:56 UTC

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

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
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 (9)

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

  1. 11 Nov 2026 · 08:57:52 UTC Last revised5 Nov 2026 01:04 UTC → 10 Nov 2026 14:44 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
ChangeIntel

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Sources read 15 Nov 18:02 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current

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