Vulnerability-Lookup

RHSA-2026:70694

Vulnerability from csaf_redhat - Published: 2026-09-23 10:51 - Updated: 2026-09-26 03:53

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Severity

Critical

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: openshell: * openshell-0.0.116-0.2.hum1 (aarch64, x86_64) * openshell-gateway-0.0.116-0.2.hum1 (aarch64, x86_64) * python3-openshell-0.0.116-0.2.hum1 (aarch64, x86_64) * openshell-0.0.116-0.2.hum1.src (src)

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-65083

A flaw was found in NVIDIA OpenShell. The sandbox provisioning Application Programming Interface (API) fails to properly enforce restrictions on disallowed inputs. An authenticated remote attacker could exploit this vulnerability by submitting crafted input to bypass sandbox boundaries. Successful exploitation may result in arbitrary code execution, privilege escalation, data tampering, or a Denial of Service (DoS).

9.9 (Critical)


                
                  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE-184 - Incomplete List of Disallowed Inputs

Affected products

Fixed 7 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:openshell-0:0.0.116-0.2.hum1@aarch64	—	Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:openshell-0:0.0.116-0.2.hum1@src	—	Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:openshell-0:0.0.116-0.2.hum1@x86_64	—	Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:openshell-gateway-0:0.0.116-0.2.hum1@aarch64	—	Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:openshell-gateway-0:0.0.116-0.2.hum1@x86_64	—	Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:python3-openshell-0:0.0.116-0.2.hum1@aarch64	—	Vendor Fix fix
Unresolved product id: Red Hat Hardened Images:python3-openshell-0:0.0.116-0.2.hum1@x86_64	—	Vendor Fix fix

Threats

Impact Critical

CVE-2026-65093

A flaw was found in NVIDIA OpenShell. A remote authenticated attacker can exploit this vulnerability to escape the isolated sandbox environment. Successful exploitation can lead to arbitrary code execution, privilege escalation, and unauthorized access to data on the underlying host system.

9.9 (Critical)


                
                  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE-427 - Uncontrolled Search Path Element

Affected products

Fixed 7 products, the same list as for CVE-2026-65083

Threats

Impact Critical

CVE-2026-93599

A flaw was found in rustls-webpki. A remote attacker, by influencing an application to parse a specially crafted Certificate Revocation List (CRL) that contains an empty `onlySomeReasons` value in its `issuingDistributionPoint` extension, could trigger a panic. This vulnerability leads to a denial of service (DoS) in applications that explicitly enable CRL revocation checking.

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-125 - Out-of-bounds Read

Affected products

Fixed 7 products, the same list as for CVE-2026-65083

Threats

Impact Important

References

22 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:70694	self
https://images.redhat.com/	external
https://access.redhat.com/security/cve/CVE-2026-93599	external
https://access.redhat.com/security/updates/classi…	external
https://access.redhat.com/security/cve/CVE-2026-65083	external
https://access.redhat.com/security/cve/CVE-2026-65093	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-65083	self
https://bugzilla.redhat.com/show_bug.cgi?id=2523921	external
https://www.cve.org/CVERecord?id=CVE-2026-65083	external
https://nvd.nist.gov/vuln/detail/CVE-2026-65083	external
https://github.com/NVIDIA/product-security/tree/m…	external
https://access.redhat.com/security/cve/CVE-2026-65093	self
https://bugzilla.redhat.com/show_bug.cgi?id=2523843	external
https://www.cve.org/CVERecord?id=CVE-2026-65093	external
https://nvd.nist.gov/vuln/detail/CVE-2026-65093	external
https://access.redhat.com/security/cve/CVE-2026-93599	self
https://bugzilla.redhat.com/show_bug.cgi?id=2538431	external
https://www.cve.org/CVERecord?id=CVE-2026-93599	external
https://nvd.nist.gov/vuln/detail/CVE-2026-93599	external
https://github.com/rustls/webpki/security/advisor…	external
https://www.vulncheck.com/advisories/rustls-webpk…	external

JSON

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        "name": "Incomplete List of Disallowed Inputs"
      },
      "discovery_date": "2026-08-25T20:49:17.330652+00:00",
      "ids": [
        {
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          "text": "2523921"
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      "notes": [
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          "category": "description",
          "text": "A flaw was found in NVIDIA OpenShell. The sandbox provisioning Application Programming Interface (API) fails to properly enforce restrictions on disallowed inputs. An authenticated remote attacker could exploit this vulnerability by submitting crafted input to bypass sandbox boundaries. Successful exploitation may result in arbitrary code execution, privilege escalation, data tampering, or a Denial of Service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "NVIDIA OpenShell: NVIDIA OpenShell: sandbox provisioning API allows code execution via incomplete input filtering",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "scores": [
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          "cvss_v3": {
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            "baseScore": 9.9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
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      "threats": [
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      "cve": "CVE-2026-65093",
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          "title": "Vulnerability description"
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CVE-2026-65083 (GCVE-0-2026-65083)

Vulnerability from cvelistv5 – Published: 2026-08-25 20:15 – Updated: 2026-08-26 18:39

Summary

NVIDIA OpenShell for Linux contains a vulnerability in its sandbox provisioning API, where an attacker could cause an incomplete list of disallowed inputs. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, data tampering, and denial of service.

Severity

9.9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-26 18:39 UTC

CWE

CWE-184 - Incomplete List of Disallowed Inputs

Assigner

nvidia mitre root

References

3 references

URL	Tags
https://nvd.nist.gov/vuln/detail/CVE-2026-65083
https://www.cve.org/CVERecord?id=CVE-2026-65083
https://github.com/NVIDIA/product-security/tree/m…

Impacted products

1 product

Vendor	Product	Version
NVIDIA	OpenShell	Affected: 0 to 0.0.33

Show details on NVD website

JSON

To clipboard

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CVE-2026-65093 (GCVE-0-2026-65093)

Vulnerability from cvelistv5 – Published: 2026-08-25 20:15 – Updated: 2026-08-26 15:14

Summary

NVIDIA OpenShell for Linux contains a vulnerability where an attacker could cause a sandbox escape. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, and information disclosure.

Severity

9.9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-26 15:14 UTC

CWE

CWE-427 - Uncontrolled Search Path Element

Assigner

nvidia mitre root

References

3 references

URL	Tags
https://nvd.nist.gov/vuln/detail/CVE-2026-65093
https://www.cve.org/CVERecord?id=CVE-2026-65093
https://github.com/NVIDIA/product-security/tree/m…

Impacted products

1 product

Vendor	Product	Version
NVIDIA	OpenShell	Affected: 0 to 0.0.33

Show details on NVD website

JSON

To clipboard

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CVE-2026-93599 (GCVE-0-2026-93599)

Vulnerability from cvelistv5 – Published: 2026-09-18 13:20 – Updated: 2026-09-18 14:15

Title

rustls-webpki before 0.103.13 Panic via empty BIT STRING

Summary

rustls-webpki through 0.103.12 (and 0.104.0-alpha releases before 0.104.0-alpha.7) contains a reachable panic in bit_string_flags() in src/der.rs. The input guard fails to reject a named-bit BIT STRING whose content is exactly [0x00] (zero padding bits and no data bytes), so raw_bits.len() - 1 underflows on the empty slice and the subsequent index operation panics (subtract-with-overflow in debug, index-out-of-bounds in release). The condition is reachable through the public API BorrowedCertRevocationList::from_der() when a CRL contains an issuingDistributionPoint extension with such an onlySomeReasons value. Exploitation requires an application that explicitly opts in to CRL revocation checking by passing RevocationOptions to verify_for_usage() and that parses CRL bytes obtained from a source the attacker can influence; the default rustls configuration, which does not use RevocationOptions, is unaffected. A crafted CRL causes a denial of service via the panic. Fixed in 0.103.13 and 0.104.0-alpha.7.

Severity

8.7 (High)


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

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-18 14:04 UTC

CWE

CWE-191 - Integer Underflow (Wrap or Wraparound)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/rustls/webpki/security/advisor…	vendor-advisory
https://www.vulncheck.com/advisories/rustls-webpk…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rustls	webpki	Affected: 0 , < 0.103.13 (semver) Affected: 0.104.0-alpha.1 , < 0.104.0-alpha.7 (semver)

Date Public

2026-04-21 00:00

Credits

tynus3

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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.
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