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Vendor Workaround
Red Hat is not aware of a practical temporary workaround that fully mitigates this issue or meets Red Hat Product Security's standards for usability, deployment, applicability, or stability. Customers are advised to apply the relevant security updates when/if they become available.
Tracking
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Tue, 03 Nov 2026 02:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in libslirp in if_output(). When moving a session from the fast queue to the batch queue, the code unlinked and reinserted an arbitrary packet via ifm->m_nextpkt instead of the session queue head, corrupting queue pointers. A guest generating burst traffic could crash the host networking process, causing a denial of service. | |
| Title | Libslirp: libslirp: queue pointer corruption in if_output() leading to denial of service | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat openshift |
|
| Weaknesses | CWE-787 | |
| CPEs | cpe:/a:redhat:openshift:4 cpe:/a:redhat:openshift:5 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat openshift |
|
| References |
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| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-11-03T01:55:20.336Z
Reserved: 2026-11-02T23:39:49.559Z
Link: CVE-2026-120831
No data.
Status : Awaiting Analysis
Published: 2026-11-03T02:16:53.393
Modified: 2026-11-03T02:16:53.560
Link: CVE-2026-120831
No data.
OpenCVE Enrichment
Updated: 2026-11-03T04:00:14Z
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CWE-787
Out-of-bounds Write