Vulnerability-Lookup

RHSA-2026:93065

Vulnerability from csaf_redhat - Published: 2026-10-30 14:02 - Updated: 2026-10-30 23:04

Summary

Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.4 Product Security and Bug Fix Update

Severity

Important

Notes

Topic: An update is now available for Red Hat Ansible Automation Platform 2.4 Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details: Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams, while automation developers retain the freedom to write tasks that leverage existing knowledge without the overhead. Ansible Automation Platform makes it possible for users across an organization to share, vet, and manage automation content by means of a simple, powerful, and agentless language. Security Fix(es): * python3.12-brotli: Out-of-Bounds Write in Google Brotli Decoder (CVE-2026-111497) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. For details about this release, refer to the release notes listed in the References section.

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-2026-111497

A flaw was found in the Google Brotli decoder. An out-of-bounds write in the block-type switch handling in c/dec/decode.c can be triggered by a crafted Brotli-compressed stream. When an application decompresses untrusted Brotli data, this can lead to memory disclosure, denial of service, or potentially arbitrary code execution.

8.1 (High)


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

CWE-787 - Out-of-bounds Write

Affected products

Fixed 26 products

Product	Version	Remediation
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el8ap.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el8ap.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el8ap.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el8ap.src	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el8ap.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debuginfo-0:1.2.1-1.el8ap.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debuginfo-0:1.2.1-1.el8ap.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debuginfo-0:1.2.1-1.el8ap.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debuginfo-0:1.2.1-1.el8ap.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debugsource-0:1.2.1-1.el8ap.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debugsource-0:1.2.1-1.el8ap.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debugsource-0:1.2.1-1.el8ap.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 8Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debugsource-0:1.2.1-1.el8ap.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el9ap.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el9ap.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el9ap.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el9ap.src	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-0:1.2.1-1.el9ap.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debuginfo-0:1.2.1-1.el9ap.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debuginfo-0:1.2.1-1.el9ap.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debuginfo-0:1.2.1-1.el9ap.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debuginfo-0:1.2.1-1.el9ap.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debugsource-0:1.2.1-1.el9ap.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debugsource-0:1.2.1-1.el9ap.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debugsource-0:1.2.1-1.el9ap.s390x	—	Vendor Fix fix Workaround
Unresolved product id: 9Base-Ansible-Automation-Platform-2.4:python3.12-brotli-debugsource-0:1.2.1-1.el9ap.x86_64	—	Vendor Fix fix Workaround

Threats

Exploit Status CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Impact Important

References

13 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:93065	self
https://access.redhat.com/security/updates/classi…	external
https://docs.redhat.com/en/documentation/red_hat_…	external
https://docs.redhat.com/en/documentation/red_hat_…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2558973	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-111497	self
https://bugzilla.redhat.com/show_bug.cgi?id=2558973	external
https://access.redhat.com/security/vulnerabilitie…	external
https://www.cve.org/CVERecord?id=CVE-2026-111497	external
https://nvd.nist.gov/vuln/detail/CVE-2026-111497	external
https://nodejs.org/en/blog/vulnerability/october-…	external
https://www.cisa.gov/known-exploited-vulnerabilit…	external

JSON

To clipboard

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          "text": "brotli: Out-of-Bounds Write in Google Brotli Decoder",
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        {
          "category": "other",
          "text": "This issue is rated Important. Exploitation requires that the target decompress attacker-controlled Brotli data (for example HTTP content negotiated with Content-Encoding: br, or APIs such as Node.js zlib / fetch() that decode Brotli). The vulnerable path is reached with a malformed stream rather than typical well-formed encoder output, and there is no public, reliable remote code execution proof-of-concept. Red Hat Enterprise Linux compiler and runtime hardenings - including Address Space Layout Randomization (ASLR), Non-eXecutable (NX) memory, FORTIFY_SOURCE, and SELinux - increase the difficulty of turning this memory corruption into reliable code execution, though they do not eliminate crashes or all impact. Combined with the Attack Requirements noted by the CNA (CVSS v4 AT:P), Red Hat scores Attack Complexity as High and rates the flaw Important rather than Critical.\n\n---\n\nThe Node.js packages in Red Hat Enterprise Linux use either system version of brotli or bundled version. Some Node.js versions are marked \"Not affected\" because they utilize system brotli. For these versions, the Node.js package itself does not require updating. However, customers must still update the system brotli/libbrotli package to address the vulnerability for these Node.js installations.\n\nFollowing is the overview of Node.js versions use system or bundled version.\n\n- Node.js 22 in Red Hat Enterprise Linux 8 and 9, provided via nodejs:22 module, uses system brotli.\n- Node.js 24 in Red Hat Enterprise Linux 8 and 9, provided via nodejs:24 modules, use bundled brotli.\n- Node.js 22 and 24 in Red Hat Enterprise Linux 10, provided via nodejs22 and nodejs24 use system brotli.\n\n---\n\nThe .NET packages in Red Hat Enterprise Linux may either use system version of brotli or bundled version. Following is the overview of .NET versions use system or bundled version.\n\n- .NET 8.0 in Red Hat Enterprise Linux 8, 9, and 10, provided via dotnet8.0 packages, use bundled brotli.\n- .NET 9.0, 10.0, and 11.0 in Red Hat Enterprise Linux 8, 9, and 10, provided via dotnet9.0, dotnet10.0, and dotnet11.0 packages, use system brotli.",
          "title": "Statement"
        },
        {
          "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"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-111497"
        },
        {
          "category": "external",
          "summary": "RHBZ#2558973",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2558973"
        },
        {
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          "summary": "RHSB-2026-015",
          "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2026-015"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-111497",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-111497"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-111497",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111497"
        },
        {
          "category": "external",
          "summary": "https://nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high",
          "url": "https://nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high"
        },
        {
          "category": "external",
          "summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
          "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
        }
      ],
      "release_date": "2026-10-22T13:35:41.975000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-30T14:02:45+00:00",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:93065"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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        }
      ],
      "threats": [
        {
          "category": "exploit_status",
          "date": "2026-10-27T00:00:00+00:00",
          "details": "CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
        },
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "brotli: Out-of-Bounds Write in Google Brotli Decoder"
    }
  ]
}

CVE-2026-111497 (GCVE-0-2026-111497)

Vulnerability from cvelistv5 – Published: 2026-10-22 13:35 – Updated: 2026-10-30 18:31

Title

Out-of-Bounds Write in Google Brotli Decoder

Summary

A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream. Users need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.

Severity

9.2 (Critical)


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

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-23 00:00 UTC

CWE

CWE-787 - Out-of-bounds Write
CWE-252 - Unchecked Return Value

Assigner

Google CNA under the Google root

CNA scorecard B 77/100 over 40 records in the last 180 days details

References

21 references

URL	Tags
https://nodejs.org/en/blog/vulnerability/october-…	patch
https://github.com/andybalholm/brotli/releases/ta…	release-notesthird-party-advisory
https://ellio.tech/en/blog/node2shell-cve-2026-11…	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource
https://github.com/advisories/GHSA-9v8h-qqgm-4m35
http://www.openwall.com/lists/oss-security/2026/1…
https://lists.debian.org/debian-lts-announce/2026…
http://www.openwall.com/lists/oss-security/2026/10/24/6
http://www.openwall.com/lists/oss-security/2026/1…
http://www.openwall.com/lists/oss-security/2026/1…
https://www.aikido.dev/blog/node2shell-nodejs-bro…
https://broccoli2shell.com
https://github.com/dotnet/announcements/issues/494
https://github.com/google/brotli/releases/tag/v1.2.1
https://github.com/google/brotli/releases/tag/v1.1.1
https://github.com/google/brotli/releases/tag/v1.0.10
https://patchtheplanet.org/brotli
http://www.openwall.com/lists/oss-security/2026/1…
https://cert-portal.siemens.com/productcert/html/…
https://cert-portal.siemens.com/productcert/html/…
https://cert-portal.siemens.com/productcert/html/…

Impacted products

19 products

Vendor	Product	Version
Google	Brotli	Affected: 1.0.3 , < 1.0.10 (semver) Affected: 1.1.0 , < 1.1.1 (semver) Affected: 1.2.0 , < 1.2.1 (semver)
Siemens	Heliox Dual Port 60kW	Unaffected: 0 , < * (custom)
Siemens	Heliox Flex Pro	Unaffected: 0 , < * (custom)
Siemens	SICHARGE FLEX	Unaffected: 0 , < * (custom)
Siemens	SICHARGE UC	Unaffected: 0 , < * (custom)
Siemens	Sifinity Go	Unaffected: 0 , < * (custom)
Siemens	Sifinity Setup	Unaffected: 0 , < * (custom)
Siemens	VersiCharge AC Series	Unaffected: 0 , < * (custom)
Siemens	VersiCloud	Unaffected: 0 , < * (custom)
Siemens	Cloud Connector Configurator	Affected: 0 , < * (custom)
Siemens	Common Configurator (CC on IEM)	Affected: 0 , < * (custom)
Siemens	Common Configurator on Device (CC on Edge)	Affected: 0 , < * (custom)
Siemens	Data Flow Monitoring	Affected: 0 , < * (custom)
Siemens	Databus Configurator	Affected: 0 , < * (custom)
Siemens	Edge OPC UA Server Configurator	Affected: 0 , < * (custom)
Siemens	Flow Creator Configurator	Affected: 0 , < * (custom)
Siemens	Industrial Edge Hub	Affected: 0 , < * (custom)
Siemens	Industrial Edge Management Cloud	Affected: 0 , < * (custom)
Siemens	RUGGEDCOM APE1808	Affected: 0 , < * (custom)

Date Public

2026-02-27 07:50

Credits

OpenAI Codex Security - Khai Tran and Sylvie Mayer

Show details on NVD website

JSON

To clipboard

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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

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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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