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CVE-2026-85150— Gstreamer1-plugins-base: gstreamer: null/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted digest authorization/www-authenticate header

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 GStreamer 的 RTSP 支持库中发现了一个空指针解引用缺陷。该漏洞发生在解析使用 Digest 认证机制的 Authorization 或 WWW-Authenticate 头部时。如果参数终止符周围的空格位置经过特殊构造，会导致内部长度计算发生下溢，从而引发解析该头部的进程崩溃。在启用认证的 RTSP 服务器上，远程未认证的攻击者可以通过发送一个构造不当的请求来触发此漏洞；同样的缺陷也可能由恶意或已被攻陷的 RTSP 服务器针对 RTSP 客户端触发。成功利用该漏洞将导致服务拒绝（应用崩溃），但目前

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1499.001 · OS Exhaustion Flood

Affected Version Matrix 4

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
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I. Basic Information for CVE-2026-85150

Vulnerability Information
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Vulnerability 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
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-85150

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III. Intelligence Information for CVE-2026-85150

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Patches & Fixes for CVE-2026-85150 (2)

Vendor Advisories for CVE-2026-85150 (1)

Other References for CVE-2026-85150 (1)

Same Patch Batch · Red Hat · 2026-09-03 · 7 CVEs total

CVE-2026-71221 7.0 HIGH Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked height in savemeta
CVE-2026-71220 7.0 HIGH Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked di_height in gfs2_edit
CVE-2026-84185 5.9 MEDIUM Jwcrypto: jwcrypto: general json jws kid binding bypass during jwkset verification
CVE-2026-71222 5.3 MEDIUM Gfs2-utils: gfs2-utils: heap out-of-bounds read via unchecked ea_num_ptrs in extended attr
CVE-2026-71224 4.7 MEDIUM Gfs2-utils: gfs2-utils: stack overflow via alloca(i_height) in metadata walk
CVE-2026-71219 4.7 MEDIUM Gfs2-utils: gfs2-utils: stack overflow via alloca(1<<di_depth) in hash table traversal

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-476

V. Comments for CVE-2026-85150

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