OPENSUSE-SU-2026:20875-1
Vulnerability from csaf_opensuse - Published: 2026-06-02 09:29 - Updated: 2026-09-17 17:33Summary
Security update for ovmf
Severity
Important
Notes
Title of the patch: Security update for ovmf
Description of the patch: This update for ovmf fixes the following issues:
- CVE-2026-25833: mbedtls: buffer overflow in the `x509_inet_pton_ipv6()` function (bsc#1261476).
- CVE-2026-25834: mbedtls: client accepts signature algorithm chosen by server even if not advertised in client hello
(bsc#1261477).
- CVE-2026-25835: mbedtls: no pseudo-random number generator reseed when cloning an application (bsc#1261478).
- CVE-2026-34874: mbedtls: NULL pointer dereference in distinguished name parsing (bsc#1261469).
Patchnames: openSUSE-Leap-16.0-865
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.5 (High)
Affected products
Recommended
10 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 16.0:ovmf-0:202502-160000.5.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:ovmf-0:202502-160000.5.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:ovmf-tools-0:202502-160000.5.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:ovmf-tools-0:202502-160000.5.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:qemu-ovmf-ia32-0:202502-160000.5.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:qemu-ovmf-x86_64-0:202502-160000.5.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:qemu-ovmf-x86_64-debug-0:202502-160000.5.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:qemu-uefi-aarch32-0:202502-160000.5.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:qemu-uefi-aarch64-0:202502-160000.5.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:qemu-uefi-riscv64-0:202502-160000.5.1.noarch | — |
Vendor Fix
|
Threats
Impact
important
6.5 (Medium)
Affected products
Recommended
10 products, the same list as for
CVE-2026-25833
Threats
Impact
moderate
7.7 (High)
Affected products
Recommended
10 products, the same list as for
CVE-2026-25833
Threats
Impact
important
7.5 (High)
Affected products
Recommended
10 products, the same list as for
CVE-2026-25833
Threats
Impact
important
References
22 references
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.