Vulnerability-Lookup

RHSA-2026:67930

Vulnerability from csaf_redhat - Published: 2026-09-16 12:07 - Updated: 2026-11-05 19:28

Summary

Red Hat Security Advisory: gstreamer1-plugins-ugly-free security update

Severity

Important

Notes

Topic: An update for gstreamer1-plugins-ugly-free is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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: GStreamer is a streaming media framework, based on graphs of elements which operate on media data. This package contains plug-ins whose license is not fully compatible with LGPL. Security Fix(es): * gstreamer: gstreamer1-plugins-ugly-free: gstreamer: integer overflow/underflow in asfdemux bounds checks leading to out-of-bounds read (CVE-2026-19389) 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.

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-2026-19389

Multiple integer overflow and underflow vulnerabilities were found in the GStreamer gst-plugins-ugly ASF demuxer (asfdemux) when parsing header objects from crafted ASF, WMV, or WMA files. Insufficient validation of attacker-controlled length and size values can bypass bounds checks and cause out-of-bounds heap reads. This can result in application crash, denial of service, or limited information disclosure when untrusted media is processed.

7.1 (High)


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

CWE-190 - Integer Overflow or Wraparound

Affected products

Fixed 13 products

Product	Version	Remediation
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-0:1.22.1-2.el9_4.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-0:1.22.1-2.el9_4.i686	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-0:1.22.1-2.el9_4.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-0:1.22.1-2.el9_4.src	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-0:1.22.1-2.el9_4.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debuginfo-0:1.22.1-2.el9_4.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debuginfo-0:1.22.1-2.el9_4.i686	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debuginfo-0:1.22.1-2.el9_4.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debuginfo-0:1.22.1-2.el9_4.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debugsource-0:1.22.1-2.el9_4.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debugsource-0:1.22.1-2.el9_4.i686	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debugsource-0:1.22.1-2.el9_4.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debugsource-0:1.22.1-2.el9_4.x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

11 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:67930	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2513016	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-19389	self
https://bugzilla.redhat.com/show_bug.cgi?id=2513016	external
https://www.cve.org/CVERecord?id=CVE-2026-19389	external
https://nvd.nist.gov/vuln/detail/CVE-2026-19389	external
https://gitlab.freedesktop.org/gstreamer/gstreame…	external
https://gstreamer.freedesktop.org/releases/1.28/	external
https://gstreamer.freedesktop.org/security/sa-202…	external

Acknowledgments

Seonwook Kim

JSON

To clipboard

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    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Seonwook Kim"
          ]
        }
      ],
      "cve": "CVE-2026-19389",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "discovery_date": "2026-08-10T02:27:47.576000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2513016"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Multiple integer overflow and underflow vulnerabilities were found in the GStreamer gst-plugins-ugly ASF demuxer (asfdemux) when parsing header objects from crafted ASF, WMV, or WMA files. Insufficient validation of attacker-controlled length and size values can bypass bounds checks and cause out-of-bounds heap reads. This can result in application crash, denial of service, or limited information disclosure when untrusted media is processed.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "gstreamer: gstreamer1-plugins-ugly-free: gstreamer: integer overflow/underflow in asfdemux bounds checks leading to out-of-bounds read",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important flaw. Integer overflow and underflow vulnerabilities in the GStreamer ASF demuxer can lead to a denial of service and limited heap information disclosure. This occurs when processing specially crafted ASF/WMV/WMA files, a risk amplified by the demuxer being automatically utilized by GStreamer\u0027s common playback elements in Red Hat products.",
          "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-2026-19389"
        },
        {
          "category": "external",
          "summary": "RHBZ#2513016",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513016"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-19389",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-19389"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-19389",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19389"
        },
        {
          "category": "external",
          "summary": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12233",
          "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12233"
        },
        {
          "category": "external",
          "summary": "https://gstreamer.freedesktop.org/releases/1.28/",
          "url": "https://gstreamer.freedesktop.org/releases/1.28/"
        },
        {
          "category": "external",
          "summary": "https://gstreamer.freedesktop.org/security/sa-2026-0075.html",
          "url": "https://gstreamer.freedesktop.org/security/sa-2026-0075.html"
        }
      ],
      "release_date": "2026-08-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-16T12:07:44+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:67930"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
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            "AppStream-9.4.0.Z.E4S:gstreamer1-plugins-ugly-free-debugsource-0:1.22.1-2.el9_4.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "gstreamer: gstreamer1-plugins-ugly-free: gstreamer: integer overflow/underflow in asfdemux bounds checks leading to out-of-bounds read"
    }
  ]
}

CVE-2026-19389 (GCVE-0-2026-19389)

Vulnerability from cvelistv5 – Published: 2026-08-10 02:57 – Updated: 2026-11-04 22:11

Title

Gstreamer: gstreamer1-plugins-ugly-free: gstreamer: integer overflow/underflow in asfdemux bounds checks leading to out-of-bounds read

Summary

Severity

7.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-10 17:25 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1207 records in the last 180 days details

References

11 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:55435	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:55865	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67882	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67883	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67930	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-19389	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2513016	issue-trackingx_refsource_REDHAT
https://gitlab.freedesktop.org/gstreamer/gstreame…
https://gstreamer.freedesktop.org/releases/1.28/
https://gstreamer.freedesktop.org/security/sa-202…

Impacted products

9 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:1.26.7-2.el10_2.2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:1.24.11-1.el10_0.3 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.22.12-7.el9_8.4 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.22.12-6.el9_8.2 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:1.18.4-4.el9_2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	Unaffected: 0:1.22.1-2.el9_4 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.4::appstream
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:1.22.12-4.el9_6.2 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/a:redhat:enterprise_linux:8

Date Public

2026-08-05 00:00

Credits

Red Hat would like to thank Seonwook Kim for reporting this issue.

Show details on NVD website

JSON

To clipboard

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                  {
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-10T17:25:25.630002Z",
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          "shortName": "CISA-ADP"
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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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