RHSA-2026:69100
Vulnerability from csaf_opensuse - Published: 2026-09-21 13:21 - Updated: 2026-09-22 15:06Summary
Red Hat Security Advisory: gstreamer1-plugins-base security update
Severity
Important
Notes
Topic: An update for gstreamer1-plugins-base is now available for Red Hat Enterprise Linux 9.
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 filters which operate on media data. The gstreamer1-plugins-base packages contain a collection of well-maintained base plug-ins.
Security Fix(es):
* gstreamer: GStreamer: Arbitrary code execution via OGG file parsing buffer overflow (CVE-2026-18297)
* 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.
A flaw was found in GStreamer. This vulnerability, a stack-based buffer overflow, occurs during the parsing of OGG files due to improper validation of user-supplied data length. A remote attacker could exploit this by tricking a user into visiting a malicious page or opening a malicious file, leading to arbitrary code execution within the context of the current process.
7.8 (High)
Affected products
Fixed
30 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.22.12-8.el9_8.2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.22.12-8.el9_8.2.i686 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.22.12-8.el9_8.2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.22.12-8.el9_8.2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.22.12-8.el9_8.2.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-0:1.22.12-8.el9_8.2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.22.12-8.el9_8.2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.22.12-8.el9_8.2.i686 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.22.12-8.el9_8.2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.22.12-8.el9_8.2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debuginfo-0:1.22.12-8.el9_8.2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.22.12-8.el9_8.2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.22.12-8.el9_8.2.i686 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.22.12-8.el9_8.2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.22.12-8.el9_8.2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-debugsource-0:1.22.12-8.el9_8.2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.22.12-8.el9_8.2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.22.12-8.el9_8.2.i686 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.22.12-8.el9_8.2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.22.12-8.el9_8.2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-devel-0:1.22.12-8.el9_8.2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-0:1.22.12-8.el9_8.2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-0:1.22.12-8.el9_8.2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-0:1.22.12-8.el9_8.2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-0:1.22.12-8.el9_8.2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.i686 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
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)
Affected products
Fixed
30 products, the same list as for
CVE-2026-18297
Threats
Impact
Moderate
References
17 references
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{
"category": "impact",
"details": "Important"
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"title": "gstreamer-plugins-base: GStreamer: Arbitrary code execution via OGG file parsing buffer overflow"
},
{
"acknowledgments": [
{
"names": [
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],
"organization": "Independent researcher",
"summary": "Acknowledged by upstream."
}
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"cve": "CVE-2026-85150",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2527936"
}
],
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{
"category": "description",
"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.",
"title": "Vulnerability description"
},
{
"category": "summary",
"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",
"title": "Vulnerability summary"
},
{
"category": "other",
"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"
},
{
"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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{
"category": "self",
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},
{
"category": "external",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527936"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-85150",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-85150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85150"
},
{
"category": "external",
"summary": "https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/120",
"url": "https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/120"
},
{
"category": "external",
"summary": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/main/subprojects/gst-plugins-base/gst-libs/gst/rtsp/gstrtspmessage.c#L1408",
"url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/main/subprojects/gst-plugins-base/gst-libs/gst/rtsp/gstrtspmessage.c#L1408"
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],
"release_date": "2026-09-03T10:25:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-21T13:21:43+00:00",
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
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"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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"AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.aarch64",
"AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.i686",
"AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.ppc64le",
"AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.s390x",
"AppStream-9.8.0.Z.MAIN.EUS:gstreamer1-plugins-base-tools-debuginfo-0:1.22.12-8.el9_8.2.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"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"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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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