Vulnerability-Lookup

RHSA-2026:59362

Vulnerability from csaf_opensuse - Published: 2026-08-25 00:00 - Updated: 2026-09-16 18:46

Summary

security update for nginx

Severity

Important

Notes

Title of the patch: security update for nginx

Description of the patch: This security update provides a functional equivalent of RHSA-2026:59362. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:59362.

Patchnames: RHSA-2026:59362

CVE-2026-56434

6.5 (Medium)


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

Affected products

Recommended 10 products

Product	Version	Remediation
Unresolved product id: SUSE Liberty Linux 9:nginx-2:1.20.1-28.el9_8.5.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-all-modules-2:1.20.1-28.el9_8.5.noarch	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-core-2:1.20.1-28.el9_8.5.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-filesystem-2:1.20.1-28.el9_8.5.noarch	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-mod-devel-2:1.20.1-28.el9_8.5.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-mod-http-image-filter-2:1.20.1-28.el9_8.5.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-mod-http-perl-2:1.20.1-28.el9_8.5.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-mod-http-xslt-filter-2:1.20.1-28.el9_8.5.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-mod-mail-2:1.20.1-28.el9_8.5.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:nginx-mod-stream-2:1.20.1-28.el9_8.5.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2026-60005

8.2 (High)


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

Affected products

Recommended 10 products, the same list as for CVE-2026-56434

Threats

Impact important

References

10 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/r…	self
https://lists.suse.com/pipermail/suse-liberty-lin…	self
https://lists.suse.com/pipermail/suse-liberty-lin…	self
https://www.suse.com/security/cve/CVE-2026-56434/	self
https://www.suse.com/security/cve/CVE-2026-60005/	self
https://www.suse.com/security/cve/CVE-2026-56434	external
https://bugzilla.suse.com/1271517	external
https://www.suse.com/security/cve/CVE-2026-60005	external
https://bugzilla.suse.com/1271518	external

JSON

To clipboard

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  "vulnerabilities": [
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          "text": "NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssi_module  module. This vulnerability may exist when the Server-Side Includes (SSI), proxy_pass, and proxy_buffering off  directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to cause a use-after-free in the NGINX worker process. This issue may lead to limited modification of memory or a restart of the NGINX worker process.\n\nImpact:\nThis vulnerability may allow remote attackers to have limited control to modify memory contents or restart the NGINX worker process. There is no control plane exposure; this is a data plane issue only.\n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
          "title": "CVE description"
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            "version": "3.1"
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            "SUSE Liberty Linux 9:nginx-mod-stream-2:1.20.1-28.el9_8.5.x86_64"
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      "title": "CVE-2026-56434"
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-60005"
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      ],
      "notes": [
        {
          "category": "general",
          "text": "NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_slice_module module. When the slice  directive and unnamed regex captures are configured or when a background cache update happens, unauthenticated attackers can send requests that may cause uninitialized memory access in the NGINX worker process, leading to limited disclosure of memory or a restart.\n\nImpact:\nThis vulnerability may allow remote, unauthenticated attackers to have limited control to disclose memory contents or restart the NGINX worker process. There is no control plane exposure; this is a data plane issue only.\nNote: The ngx_http_slice_module  module is not enabled by default; it\u0027s enabled with the --with-http_slice_module  configuration parameter.\n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
          "title": "CVE description"
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      ],
      "product_status": {
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          "SUSE Liberty Linux 9:nginx-all-modules-2:1.20.1-28.el9_8.5.noarch",
          "SUSE Liberty Linux 9:nginx-core-2:1.20.1-28.el9_8.5.x86_64",
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        }
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      "scores": [
        {
          "cvss_v3": {
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        }
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          "category": "impact",
          "date": "2026-08-25T00:00:00Z",
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      ],
      "title": "CVE-2026-60005"
    }
  ]
}

CVE-2026-56434 (GCVE-0-2026-56434)

Vulnerability from cvelistv5 – Published: 2026-07-15 14:33 – Updated: 2026-07-15 18:10

Title

NGINX ngx_http_ssi_module vulnerability

Summary

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssi_module module. This vulnerability may exist when the Server-Side Includes (SSI), proxy_pass, and proxy_buffering off directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to cause a use-after-free in the NGINX worker process. This issue may lead to limited modification of memory or a restart of the NGINX worker process. Impact: This vulnerability may allow remote attackers to have limited control to modify memory contents or restart the NGINX worker process. There is no control plane exposure; this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Severity

6.5 (Medium)


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

8.3 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-15 15:38 UTC

CWE

CWE-416 - Use After Free

Assigner

f5 CNA under the mitre root

CNA scorecard B 84/100 over 87 records in the last 180 days details

References

1 reference

URL	Tags
https://my.f5.com/manage/s/article/K000162098	vendor-advisorypatch

Impacted products

2 products

Vendor	Product	Version
F5	NGINX Plus	Affected: 37.0.0.1 , < 37.0.3.1 (custom) Affected: R36 , < R36 P7 (custom) Affected: R33 , < * (custom)
F5	NGINX Open Source	Affected: 1.31.2 , < 1.31.3 (custom) Affected: 0.8.11 , < 1.30.4 (custom)

Date Public

2026-07-15 14:00

Credits

F5 acknowledges p4p3r(@P4P3R-HAK)" of "싸이버원(CYBERONE) for bringing this issue to our attention and following the highest standards of coordinated disclosure.

Show details on NVD website

JSON

To clipboard

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CVE-2026-60005 (GCVE-0-2026-60005)

Vulnerability from cvelistv5 – Published: 2026-07-15 15:04 – Updated: 2026-07-15 15:41

Title

NGINX ngx_http_slice_module vulnerability

Summary

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_slice_module module. When the slice directive and unnamed regex captures are configured or when a background cache update happens, unauthenticated attackers can send requests that may cause uninitialized memory access in the NGINX worker process, leading to limited disclosure of memory or a restart. Impact: This vulnerability may allow remote, unauthenticated attackers to have limited control to disclose memory contents or restart the NGINX worker process. There is no control plane exposure; this is a data plane issue only. Note: The ngx_http_slice_module module is not enabled by default; it's enabled with the --with-http_slice_module configuration parameter. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Severity

8.2 (High)


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

8.8 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-15 15:40 UTC

CWE

CWE-908 - Use of Uninitialized Resource

Assigner

f5 CNA under the mitre root

CNA scorecard B 84/100 over 87 records in the last 180 days details

References

1 reference

URL	Tags
https://my.f5.com/manage/s/article/K000162100	vendor-advisorypatch

Impacted products

2 products

Vendor	Product	Version
F5	NGINX Plus	Affected: 37.0.0.1 , < 37.0.3.1 (custom) Affected: R36 , < R36 P7 (custom) Affected: R33 , < * (custom)
F5	NGINX Open Source	Affected: 1.31.2 , < 1.31.3 (custom) Affected: 1.15.8 , < 1.30.4 (custom)

Date Public

2026-07-15 14:00

Credits

Show details on NVD website

JSON

To clipboard

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          },
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          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-908",
              "description": "CWE-908 Use of Uninitialized Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-15T15:04:21.040Z",
        "orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
        "shortName": "f5"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://my.f5.com/manage/s/article/K000162100"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "NGINX ngx_http_slice_module vulnerability",
      "x_generator": {
        "engine": "F5 SIRTBot v1.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
    "assignerShortName": "f5",
    "cveId": "CVE-2026-60005",
    "datePublished": "2026-07-15T15:04:21.040Z",
    "dateReserved": "2026-07-08T15:49:43.059Z",
    "dateUpdated": "2026-07-15T15:41:06.279Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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.

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RHSA-2026:59362

CVE-2026-56434 (GCVE-0-2026-56434)

CVE-2026-60005 (GCVE-0-2026-60005)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour