Vulnerability-Lookup

RHSA-2026:67145

Vulnerability from csaf_opensuse - Published: 2026-09-14 05:12 - Updated: 2026-09-21 17:18

Summary

Red Hat Security Advisory: gstreamer1-plugins-base security update

Severity

Moderate

Notes

Topic: An update for gstreamer1-plugins-base is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 filters which operate on media data. The gstreamer1-plugins-base packages contain a collection of well-maintained base plug-ins. Security Fix(es): * gstreamer1-plugins-base: gstreamer: NULL/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted Digest Authorization/WWW-Authenticate header (CVE-2026-85150) 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-2026-85150

A NULL pointer dereference flaw was found in GStreamer's RTSP support library. The vulnerability occurs while parsing an Authorization or WWW-Authenticate header that uses Digest authentication. Specially crafted whitespace placement around a parameter's terminator can cause an internal length calculation to underflow, leading to a crash of the process parsing the header. On an RTSP server this can be triggered by a remote, unauthenticated attacker sending a single malformed request when the server has authentication enabled; the same flaw can also be triggered against an RTSP client by a malicious or compromised RTSP server. Successful exploitation results in a denial of service (application crash) and has no confirmed impact on confidentiality or integrity.

7.5 (High)


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

CWE-476 - NULL Pointer Dereference

Affected products

Fixed 26 products

Product	Version	Remediation
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.16.1-7.el8_10.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.16.1-7.el8_10.i686	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.16.1-7.el8_10.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.16.1-7.el8_10.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.16.1-7.el8_10.src	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.16.1-7.el8_10.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.16.1-7.el8_10.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.16.1-7.el8_10.i686	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.16.1-7.el8_10.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.16.1-7.el8_10.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.16.1-7.el8_10.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.16.1-7.el8_10.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.16.1-7.el8_10.i686	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.16.1-7.el8_10.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.16.1-7.el8_10.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.16.1-7.el8_10.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.16.1-7.el8_10.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.16.1-7.el8_10.i686	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.16.1-7.el8_10.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.16.1-7.el8_10.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.16.1-7.el8_10.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.16.1-7.el8_10.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.16.1-7.el8_10.i686	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.16.1-7.el8_10.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.16.1-7.el8_10.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.10.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.16.1-7.el8_10.x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

References

10 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:67145	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2527936	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-85150	self
https://bugzilla.redhat.com/show_bug.cgi?id=2527936	external
https://www.cve.org/CVERecord?id=CVE-2026-85150	external
https://nvd.nist.gov/vuln/detail/CVE-2026-85150	external
https://gitlab.freedesktop.org/gstreamer/gstreame…	external
https://gitlab.freedesktop.org/gstreamer/gstreame…	external

Acknowledgments

Independent researcher Roy Lau

JSON

To clipboard

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          "summary": "Acknowledged by upstream."
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          "text": "A NULL pointer dereference flaw was found in GStreamer\u0027s RTSP support library. The vulnerability occurs while parsing an Authorization or WWW-Authenticate header that uses Digest authentication. Specially crafted whitespace placement around a parameter\u0027s terminator can cause an internal length calculation to underflow, leading to a crash of the process parsing the header. On an RTSP server this can be triggered by a remote, unauthenticated attacker sending a single malformed request when the server has authentication enabled; the same flaw can also be triggered against an RTSP client by a malicious or compromised RTSP server. Successful exploitation results in a denial of service (application crash) and has no confirmed impact on confidentiality or integrity.",
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          "text": "gstreamer1-plugins-base: gstreamer: NULL/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted Digest Authorization/WWW-Authenticate header",
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          "text": "Analysis of which Red Hat products ship the affected gst-plugins-base RTSP library and/or gst-rtsp-server is still pending component mapping; this statement will be updated once that mapping is complete. The vulnerable code path is only reachable in gst-rtsp-server based RTSP servers when the application has explicitly configured a GstRTSPAuth object (Basic or Digest authentication enabled) -- gst_rtsp_auth_check() short-circuits and never calls the vulnerable parser when no auth object is configured, so RTSP servers/media servers run without authentication are not affected by the server-side attack path. RTSP client code (e.g. rtspsrc, rtspclientsink) that connects to an untrusted/attacker-controlled RTSP server and processes its WWW-Authenticate header is affected regardless of whether the local application itself configures authentication.",
          "title": "Statement"
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        {
          "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.",
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      "title": "gstreamer1-plugins-base: gstreamer: NULL/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted Digest Authorization/WWW-Authenticate header"
    }
  ]
}

CVE-2026-85150 (GCVE-0-2026-85150)

Vulnerability from cvelistv5 – Published: 2026-09-03 10:47 – Updated: 2026-09-21 17:18

Title

Gstreamer1-plugins-base: gstreamer: null/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted digest authorization/www-authenticate header

Summary

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-03 12:33 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

redhat redhat root

References

7 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:66460	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67145	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:69100	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-85150	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2527936	issue-trackingx_refsource_REDHAT
https://gitlab.freedesktop.org/gstreamer/gstreame…
https://gitlab.freedesktop.org/gstreamer/gstreame…

Impacted products

4 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 8	Unaffected: 0:1.16.1-7.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.22.12-8.el9_8.2 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Date Public

2026-09-03 10:25

Credits

Upstream acknowledges Roy Lau (Independent researcher) as the original reporter.

Show details on NVD website

JSON

To clipboard

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          "value": "A NULL pointer dereference flaw was found in GStreamer\u0027s RTSP support library. The vulnerability occurs while parsing an Authorization or WWW-Authenticate header that uses Digest authentication. Specially crafted whitespace placement around a parameter\u0027s terminator can cause an internal length calculation to underflow, leading to a crash of the process parsing the header. On an RTSP server this can be triggered by a remote, unauthenticated attacker sending a single malformed request when the server has authentication enabled; the same flaw can also be triggered against an RTSP client by a malicious or compromised RTSP server. Successful exploitation results in a denial of service (application crash) and has no confirmed impact on confidentiality or integrity."
        }
      ],
      "metrics": [
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        },
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "shortName": "redhat"
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          "name": "RHSA-2026:66460",
          "tags": [
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            "x_refsource_REDHAT"
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          "url": "https://access.redhat.com/errata/RHSA-2026:66460"
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          "url": "https://access.redhat.com/security/cve/CVE-2026-85150"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527936"
        },
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          "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/120"
        },
        {
          "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/main/subprojects/gst-plugins-base/gst-libs/gst/rtsp/gstrtspmessage.c#L1408"
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      ],
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          "lang": "en",
          "time": "2026-08-26T00:00:00.000Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2026-09-03T10:25:00.000Z",
          "value": "Made public."
        }
      ],
      "title": "Gstreamer1-plugins-base: gstreamer: null/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted digest authorization/www-authenticate header",
      "workarounds": [
        {
          "lang": "en",
          "value": "No mitigation is currently available that meets Red Hat Product Security\u0027s standards for usability, deployment, applicability, or stability."
        }
      ],
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      "x_redhatCweChain": "CWE-476: NULL Pointer Dereference"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2026-85150",
    "datePublished": "2026-09-03T10:47:10.711Z",
    "dateReserved": "2026-09-03T10:21:17.760Z",
    "dateUpdated": "2026-09-21T17:18:32.211Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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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.

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.

Action not permitted

RHSA-2026:67145

CVE-2026-85150 (GCVE-0-2026-85150)

Tags

Sightings

Nomenclature

Related by attack behaviour